APA (7th ed.) Citation

National Library of Medicine (U.S.) & Ovid Technologies, Inc. PreMEDLINE and MEDLINE. National Library of Medicine ; Ovid Technologies.

Chicago Style (17th ed.) Citation

National Library of Medicine (U.S.) and Inc Ovid Technologies. PreMEDLINE and MEDLINE. Bethesda, MD : New York: National Library of Medicine ; Ovid Technologies.

MLA (9th ed.) Citation

National Library of Medicine (U.S.) and Inc Ovid Technologies. PreMEDLINE and MEDLINE. National Library of Medicine ; Ovid Technologies.

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