APA (7th ed.) Citation

Willis, J. D., & Campbell, L. F. (1992). Exercise psychology / Joe D. Willis, Linda Frye Campbell. Human Kinetics Books.

Chicago Style (17th ed.) Citation

Willis, Joe Don, and Linda Frye Campbell. Exercise Psychology / Joe D. Willis, Linda Frye Campbell. Champaign, IL: Human Kinetics Books, 1992.

MLA (9th ed.) Citation

Willis, Joe Don, and Linda Frye Campbell. Exercise Psychology / Joe D. Willis, Linda Frye Campbell. Human Kinetics Books, 1992.

Warning: These citations may not always be 100% accurate.