APA (7th ed.) Citation

Hawken, P., Ogilvy, J. A., & Schwartz, P. (1982). Seven tomorrows: Toward a voluntary history. Bantam Books.

Chicago Style (17th ed.) Citation

Hawken, Paul, James A. Ogilvy, and Peter Schwartz. Seven Tomorrows: Toward a Voluntary History. Toronto New York: Bantam Books, 1982.

MLA (9th ed.) Citation

Hawken, Paul, et al. Seven Tomorrows: Toward a Voluntary History. Bantam Books, 1982.