Cita APA (7a ed.)
Barnhart, . E. R. (1990). Physicians' desk reference (44a. ed.). Medical Economics Company.
Cita Chicago Style (17a ed.)
Barnhart, Edward R. Physicians' Desk Reference. 44a. ed. New Jersey: Medical Economics Company, 1990.
Cita MLA (9a ed.)
Barnhart, Edward R. Physicians' Desk Reference. 44a. ed. Medical Economics Company, 1990.
Precaución: Estas citas no son 100% exactas.