APA (7th ed.) Citation

Gordon, S., & Cohen, V. (1970). Facts about sex: A basic guide. John Day.

Chicago Style (17th ed.) Citation

Gordon, Sol, and Vivien Cohen. Facts About Sex: A Basic Guide. New York: John Day, 1970.

MLA (9th ed.) Citation

Gordon, Sol, and Vivien Cohen. Facts About Sex: A Basic Guide. John Day, 1970.