APA (7th ed.) Citation

Guttmacher, A. F. (1970). Understanding sex: A young person's guide ([1st ed.].). Harper & Row.

Chicago Style (17th ed.) Citation

Guttmacher, Alan Frank. Understanding Sex: A Young Person's Guide. [1st ed.]. New York: Harper & Row, 1970.

MLA (9th ed.) Citation

Guttmacher, Alan Frank. Understanding Sex: A Young Person's Guide. [1st ed.]. Harper & Row, 1970.

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