APA (7th ed.) Citation

Caplan, R. (1990). Our earth, ourselves: The action-oriented guide to help you protect and preserve our planet. Bantam Books.

Chicago Style (17th ed.) Citation

Caplan, Ruth. Our Earth, Ourselves: The Action-oriented Guide to Help You Protect and Preserve Our Planet. New York: Bantam Books, 1990.

MLA (9th ed.) Citation

Caplan, Ruth. Our Earth, Ourselves: The Action-oriented Guide to Help You Protect and Preserve Our Planet. Bantam Books, 1990.