Cita APA

Gengo, F. M., & Streufert, S. (1993). Effects of drugs on human functioning. Karger Basel.

Citación estilo Chicago

Gengo, Francis. M., y Siegfred Streufert. Effects of Drugs on Human Functioning. Switzerland: Karger Basel, 1993.

Cita MLA

Gengo, Francis. M., y Siegfred Streufert. Effects of Drugs on Human Functioning. Karger Basel, 1993.