APA (7th ed.) Citation

Steffan, W. (1988). Streetwork in der Drogenszene. Lambertus.

Chicago Style (17th ed.) Citation

Steffan, Werner. Streetwork in Der Drogenszene. Freiburg im Breisgau: Lambertus, 1988.

MLA (8th ed.) Citation

Steffan, Werner. Streetwork in Der Drogenszene. Lambertus, 1988.