APA (7th ed.) Citation

National Library of Medicine (U.S.). (1999). Chemical carcinogenesis research information system. National Library of Medicine.

Chicago Style (17th ed.) Citation

National Library of Medicine (U.S.). Chemical Carcinogenesis Research Information System. Bethesda, Md.: National Library of Medicine, 1999.

MLA (9th ed.) Citation

National Library of Medicine (U.S.). Chemical Carcinogenesis Research Information System. National Library of Medicine, 1999.

Warning: These citations may not always be 100% accurate.