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+ · 96·Disc 98·Mod-Ref 95·Vel 95 - 2A·94
Crowd-edited encyclopedia with ~7M articles and per-article inline citation discipline.
SourceScore A · 94·Disc 96·Mod-Ref 92·Vel 95 - 3A·94
U.S. National Library of Medicine literature index covering ~36M biomedical citations.
SourceScore A · 94·Disc 96·Mod-Ref 92·Vel 94 - 4A·87
Peer-reviewed general medical journal since 1812; one of the highest-impact medical venues globally.
SourceScore A · 87·Disc 96·Mod-Ref 84·Vel 81 - 5A·94
Federal agency for food + drug + medical-device safety; primary-source approvals + safety alerts.
SourceScore A · 94·Disc 96·Mod-Ref 92·Vel 94 - 6A+·95
U.S. central bank; primary source for monetary policy + economic data + financial-system statistics.
SourceScore A+ · 95·Disc 96·Mod-Ref 94·Vel 95 - 7A·92
European Organization for Nuclear Research; primary source for particle physics + experimental high-energy physics.
SourceScore A · 92·Disc 96·Mod-Ref 91·Vel 89 - 8A·85
Premier U.S. computing society; ACM Digital Library indexes peer-reviewed CS publications.
SourceScore A · 85·Disc 96·Mod-Ref 80·Vel 80 - 9A·92
Proceedings of the National Academy of Sciences — multidisciplinary peer-reviewed journal since 1914.
SourceScore A · 92·Disc 96·Mod-Ref 88·Vel 90 - 10A·89
Top biology journal since 1974, published by Elsevier (Cell Press); the default citation in molecular biology.
SourceScore A · 89·Disc 96·Mod-Ref 78·Vel 90 - 11A·87
Gold-standard systematic-review database for medical evidence since 1993.
SourceScore A · 87·Disc 96·Mod-Ref 80·Vel 85 - 12A·89
Peer-reviewed philosophy encyclopedia since 1995; gold-standard philosophy reference.
SourceScore A · 89·Disc 96·Mod-Ref 90·Vel 80 - 13A·87
Peer-reviewed science journal with rigorous methodology disclosure and open-data trends.
SourceScore A · 87·Disc 95·Mod-Ref 85·Vel 80 - 14A+·95
U.S. federal medical research agency operating PubMed, NCBI, MedlinePlus, and trial registries.
SourceScore A+ · 95·Disc 95·Mod-Ref 94·Vel 96 - 15A·86
Nonprofit investigative newsroom; data-heavy + methodology-published reporting since 2007.
SourceScore A · 86·Disc 95·Mod-Ref 84·Vel 78
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; click any name to see its full breakdown across the four dimensions. The list is regenerated automatically on every dataset update — no editorial promotion or reorder beyond the ranking signal above.