APA (7th ed.) Citation

Caplan, B. (2011). Selfish reasons to have more kids. Basic Books.

Chicago Style (17th ed.) Citation

Caplan, Bryan. Selfish Reasons to Have More Kids. New York: Basic Books, 2011.

MLA (9th ed.) Citation

Caplan, Bryan. Selfish Reasons to Have More Kids. Basic Books, 2011.

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