Cita APA

Hafen, B. Q., & Peterson, B. (1978). Medicines and drugs: Problems and risks, use and abuse (2. edition.). Philadelphia, Pennsylvania: Lea & Febiger.

Citación estilo Chicago

Hafen, Brent Q., y Brenda Peterson. Medicines and Drugs: Problems and Risks, Use and Abuse. 2. edition. Philadelphia, Pennsylvania: Lea & Febiger, 1978.

Cita MLA

Hafen, Brent Q., y Brenda Peterson. Medicines and Drugs: Problems and Risks, Use and Abuse. 2. edition. Philadelphia, Pennsylvania: Lea & Febiger, 1978.