Cita APA

Goldberg, R., & Ray Goldberg. (2006). Drugs Across the Spectrum. CA: Cengage Learning, Inc.

Citación estilo Chicago

Goldberg, Ray, y Ray Goldberg. Drugs Across the Spectrum. CA: Cengage Learning, Inc, 2006.

Cita MLA

Goldberg, Ray, y Ray Goldberg. Drugs Across the Spectrum. CA: Cengage Learning, Inc, 2006.