APA (7th ed.) Citation

Gersbach, H., & Haller, H. (2002). The affectionate society: Does competition for partners promote friendliness? Discussion paper series.

Chicago Style (17th ed.) Citation

Gersbach, Hans, and Hans Haller. "The Affectionate Society: Does Competition for Partners Promote Friendliness?" Discussion Paper Series 2002.

MLA (9th ed.) Citation

Gersbach, Hans, and Hans Haller. "The Affectionate Society: Does Competition for Partners Promote Friendliness?" Discussion Paper Series, 2002.

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