APA (7th ed.) Citation

Sears, B., & Lawren, B. (1995). The zone: A dietary road map (First edition.). Regan Books.

Chicago Style (17th ed.) Citation

Sears, Barry, and Bill Lawren. The Zone: A Dietary Road Map. First edition. New York, NY: Regan Books, 1995.

MLA (9th ed.) Citation

Sears, Barry, and Bill Lawren. The Zone: A Dietary Road Map. First edition. Regan Books, 1995.