Cita APA

DiGregorio, G. J., & Barbieri, E. . J. (1997). Handbook of commonly prescribed drugs (12th ed. --.). Philadelpia: Medical Surveillance.

Citación estilo Chicago

DiGregorio, G. John, y Edward J. Barbieri. Handbook of Commonly Prescribed Drugs. 12th ed. --. Philadelpia: Medical Surveillance, 1997.

Cita MLA

DiGregorio, G. John, y Edward J. Barbieri. Handbook of Commonly Prescribed Drugs. 12th ed. --. Philadelpia: Medical Surveillance, 1997.