APA (7th ed.) Citation

Ringel, E., Bernsprang, E., & Bernspång, E. (1981). Selbstmordverhütung Reprints Psychologie.

Chicago Style (17th ed.) Citation

Ringel, Erwin, Erik Bernsprang, and Erik Bernspång. "Selbstmordverhütung." Reprints Psychologie 1981.

MLA (8th ed.) Citation

Ringel, Erwin, et al. "Selbstmordverhütung." Reprints Psychologie, 1981.

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