APA (7th ed.) Citation

Aho, J. S., & Petras, J. W. (1978). Learning about sex: A guide for children and their parents. Holt, Rinehart and Winston.

Chicago Style (17th ed.) Citation

Aho, Jennifer Sowle, and John W. Petras. Learning About Sex: A Guide for Children and Their Parents. New York: Holt, Rinehart and Winston, 1978.

MLA (9th ed.) Citation

Aho, Jennifer Sowle, and John W. Petras. Learning About Sex: A Guide for Children and Their Parents. Holt, Rinehart and Winston, 1978.