APA citiranje

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

Chicago Edition Citation

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

MLA citiranje

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