Küfner, H. (1991). Krisenintervention. Suchttherapie, 190-202.
Chicago Style (17th ed.) CitationKüfner, Heinrich. "Krisenintervention." Suchttherapie 1991: 190-202.
MLA (8th ed.) CitationKüfner, Heinrich. "Krisenintervention." Suchttherapie, 1991, pp. 190-202.
Warning: These citations may not always be 100% accurate.