APA (7th ed.) Citation

Kummerow, J., & Hirsh, S. (1989). Lifetypes. Warner Books.

Chicago Style (17th ed.) Citation

Kummerow, Jean, and Sandra Hirsh. Lifetypes. New York, NY: Warner Books, 1989.

MLA (9th ed.) Citation

Kummerow, Jean, and Sandra Hirsh. Lifetypes. Warner Books, 1989.