APA (7th ed.) Citation

Lamb, S. (2001). The secret lives of girls: What good girls really do -- sex play, aggression, and their guilt. Free Press.

Chicago Style (17th ed.) Citation

Lamb, Sharon. The Secret Lives of Girls: What Good Girls Really Do -- Sex Play, Aggression, and Their Guilt. New York: Free Press, 2001.

MLA (8th ed.) Citation

Lamb, Sharon. The Secret Lives of Girls: What Good Girls Really Do -- Sex Play, Aggression, and Their Guilt. Free Press, 2001.