APA (7th ed.) Citation

Widmer, É. D., Kellerhals, J., & Lévy, R. (2006). What Pluralization of Family Relations ?

Chicago Style (17th ed.) Citation

Widmer, Éric D., Jean Kellerhals, and René Lévy. What Pluralization of Family Relations ? 2006.

MLA (8th ed.) Citation

Widmer, Éric D., et al. What Pluralization of Family Relations ? 2006.

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