APA (7th ed.) Citation

Gudjons, H., & Winkel, R. (1986). Psychische Erkrankungen. PB-Bücher.

Chicago Style (17th ed.) Citation

Gudjons, Herbert, and Rainer Winkel. "Psychische Erkrankungen." PB-Bücher 1986.

MLA (8th ed.) Citation

Gudjons, Herbert, and Rainer Winkel. "Psychische Erkrankungen." PB-Bücher, 1986.

Warning: These citations may not always be 100% accurate.