Cita APA (7a ed.)

Barnhart, E. R. Physicians' desk reference for nonprescription drugs (7a ed.).

Cita Chicago Style (17a ed.)

Barnhart, Edward R. Physicians' Desk Reference for Nonprescription Drugs. 7a ed.

Cita MLA (8a ed.)

Barnhart, Edward R. Physicians' Desk Reference for Nonprescription Drugs. 7a ed.