Best peer-reviewed sources for citation rigor
The 15 highest-Citation-Discipline sources on the SourceScore Index — peer-reviewed, methodology-transparent, citation-rigorous. The sources you cite when accuracy is non-negotiable.
- 1A+·96
Primary-source regulator publishing every public-company filing (13F, 10-K, 8-K, etc.) since 1934.
SourceScore A+ · 96Discipline 98Modern Reference 95Velocity 95 - 2A·94
Crowd-edited encyclopedia with ~7M articles and per-article inline citation discipline.
SourceScore A · 94Discipline 96Modern Reference 92Velocity 95 - 3A·94
U.S. National Library of Medicine literature index covering ~36M biomedical citations.
SourceScore A · 94Discipline 96Modern Reference 92Velocity 94 - 4A·87
Peer-reviewed general medical journal since 1812; one of the highest-impact medical venues globally.
SourceScore A · 87Discipline 96Modern Reference 84Velocity 81 - 5A·94
Federal agency for food + drug + medical-device safety; primary-source approvals + safety alerts.
SourceScore A · 94Discipline 96Modern Reference 92Velocity 94 - 6A+·95
U.S. central bank; primary source for monetary policy + economic data + financial-system statistics.
SourceScore A+ · 95Discipline 96Modern Reference 94Velocity 95 - 7A·92
European Organization for Nuclear Research; primary source for particle physics + experimental high-energy physics.
SourceScore A · 92Discipline 96Modern Reference 91Velocity 89 - 8A·85
Premier U.S. computing society; ACM Digital Library indexes peer-reviewed CS publications.
SourceScore A · 85Discipline 96Modern Reference 80Velocity 80 - 9A·92
Proceedings of the National Academy of Sciences — multidisciplinary peer-reviewed journal since 1914.
SourceScore A · 92Discipline 96Modern Reference 88Velocity 90 - 10A·89
Top biology journal since 1974, published by Elsevier (Cell Press); the default citation in molecular biology.
SourceScore A · 89Discipline 96Modern Reference 78Velocity 90 - 11A·87
Gold-standard systematic-review database for medical evidence since 1993.
SourceScore A · 87Discipline 96Modern Reference 80Velocity 85 - 12A·89
Peer-reviewed philosophy encyclopedia since 1995; gold-standard philosophy reference.
SourceScore A · 89Discipline 96Modern Reference 90Velocity 80 - 13A·87
Peer-reviewed science journal with rigorous methodology disclosure and open-data trends.
SourceScore A · 87Discipline 95Modern Reference 85Velocity 80 - 14A+·95
U.S. federal medical research agency operating PubMed, NCBI, MedlinePlus, and trial registries.
SourceScore A+ · 95Discipline 95Modern Reference 94Velocity 96 - 15A·86
Nonprofit investigative newsroom; data-heavy + methodology-published reporting since 2007.
SourceScore A · 86Discipline 95Modern Reference 84Velocity 78
The SourceScore Index combines all three sub-scores. You can also see this list sorted by just one of them, which can change the order and the source at the top.
Why these 15 sources
Citation Discipline measures how rigorously a source backs each claim with verifiable evidence. The 15 below score 90+ on Discipline — gold-standard peer-review processes, government primary-source standards, or systematic-review methodology. These are the sources you cite when the next reader will check.
How this list is ranked
Selection criterion: Citation Discipline sub-score, descending. Every source on this page is hand-scored against the SourceScore methodology v0.1; tap any source to see its full breakdown across the three sub-scores and the overall Index. The list is regenerated automatically on every dataset update — no editorial promotion or reorder beyond the ranking signal above.
Frequently asked questions
Best peer-reviewed sources for citation rigor?
By the SourceScore Index, the top 5: 1. U.S. Securities and Exchange Commission (A+ 96/100); 2. Wikipedia (English) (A 94/100); 3. PubMed (A 94/100); 4. New England Journal of Medicine (A 87/100); 5. U.S. Food and Drug Administration (A 94/100). Each is hand-scored on Citation Discipline, Modern Reference, and Citation Velocity — full ranking + breakdowns below.
Which source tops this list, and why?
U.S. Securities and Exchange Commission ranks #1, scoring A+ (96/100) on the SourceScore Index — the highest composite citation-quality score here. Primary-source regulator publishing every public-company filing (13F, 10-K, 8-K, etc.) since 1934.
How is this list ranked?
Ranked by Citation Discipline sub-score, descending, scored against the SourceScore methodology v0.1 across Citation Discipline, Modern Reference (AI-era fitness), and Citation Velocity. Regenerated automatically on every dataset update — no paid placement or editorial promotion.