Cita APA (7a ed.)

Pickens, R. W. (1988). Biological vulnerability to drug abuse. DHHS publication.

Cita Chicago Style (17a ed.)

Pickens, Roy W. "Biological Vulnerability to Drug Abuse." DHHS Publication 1988.

Cita MLA (9a ed.)

Pickens, Roy W. "Biological Vulnerability to Drug Abuse." DHHS Publication, 1988.