APA (7th ed.) Citation

Eldredge, N. (2004). Why we do it: Rethinking sex and the selfish gene. Norton.

Chicago Style (17th ed.) Citation

Eldredge, Niles. Why We Do It: Rethinking Sex and the Selfish Gene. New York: Norton, 2004.

MLA (9th ed.) Citation

Eldredge, Niles. Why We Do It: Rethinking Sex and the Selfish Gene. Norton, 2004.

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