APA (7th ed.) Citation

Child Study Association of America & Child Study Association of America. (1968). What to tell your children about sex. Meredith Press.

Chicago Style (17th ed.) Citation

Child Study Association of America and Child Study Association of America. What to Tell Your Children About Sex. New York: Meredith Press, 1968.

MLA (9th ed.) Citation

Child Study Association of America and Child Study Association of America. What to Tell Your Children About Sex. Meredith Press, 1968.