Cita APA (7a ed.)

Carlhoff, H. (1988). Aspekte zur aktuellen Drogensituation in den USA. Drogeninformation, 18(3/4), 97-109.

Cita Chicago Style (17a ed.)

Carlhoff, Hans-Werner. "Aspekte Zur Aktuellen Drogensituation in Den USA." Drogeninformation 18, no. 3/4 (1988): 97-109.

Cita MLA (8a ed.)

Carlhoff, Hans-Werner. "Aspekte Zur Aktuellen Drogensituation in Den USA." Drogeninformation, vol. 18, no. 3/4, 1988, pp. 97-109.