APA (7th ed.) Citation

Marzollo, J., & Williams, K. (1989). Getting your period: A book about menstruation. Dial Books.

Chicago Style (17th ed.) Citation

Marzollo, Jean, and Kent Williams. Getting Your Period: A Book About Menstruation. New York: Dial Books, 1989.

MLA (9th ed.) Citation

Marzollo, Jean, and Kent Williams. Getting Your Period: A Book About Menstruation. Dial Books, 1989.