APA (7th ed.) Citation

Ringel, E. (1969). Selbstmordverhütung. Huber.

Chicago Style (17th ed.) Citation

Ringel, Erwin. Selbstmordverhütung. Bern Stuttgart [u.a.]: Huber, 1969.

MLA (8th ed.) Citation

Ringel, Erwin. Selbstmordverhütung. Huber, 1969.

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