APA (7th ed.) Citation

(1980). Bibliography. Citations Obtained through the National Library of Medicine's MEDLARS Program.

Chicago Style (17th ed.) Citation

Bibliography. Citations Obtained Through the National Library of Medicine's MEDLARS Program. 1980.

MLA (9th ed.) Citation

Bibliography. Citations Obtained Through the National Library of Medicine's MEDLARS Program. 1980.

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