APA (7th ed.) Citation

Blum, D. (1998). Sex on the brain: The biological differences between men and women. Penguin.

Chicago Style (17th ed.) Citation

Blum, Deborah. Sex on the Brain: The Biological Differences Between Men and Women. New York [etc.]: Penguin, 1998.

MLA (9th ed.) Citation

Blum, Deborah. Sex on the Brain: The Biological Differences Between Men and Women. Penguin, 1998.