APA (7th ed.) Citation

Kettern, B. (1994). Sartre, Jean-Paul.

Chicago Style (17th ed.) Citation

Kettern, Bernd. Sartre, Jean-Paul. 1994.

MLA (9th ed.) Citation

Kettern, Bernd. Sartre, Jean-Paul. 1994.

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