APA (7th ed.) Citation

(1980). Physicians' desk reference for nonprescription drugs. [Medical Economics Co.].

Chicago Style (17th ed.) Citation

Physicians' Desk Reference for Nonprescription Drugs. Oradell, New Jersey: [Medical Economics Co.], 1980.

MLA (9th ed.) Citation

Physicians' Desk Reference for Nonprescription Drugs. [Medical Economics Co.], 1980.