APA (7th ed.) Citation

Weil, A. (1997). Eight weeks to optimum health: A proven program for taking full advantage of your body's natural healing power. Knopf.

Chicago Style (17th ed.) Citation

Weil, Andrew. Eight Weeks to Optimum Health: A Proven Program for Taking Full Advantage of Your Body's Natural Healing Power. New York: Knopf, 1997.

MLA (9th ed.) Citation

Weil, Andrew. Eight Weeks to Optimum Health: A Proven Program for Taking Full Advantage of Your Body's Natural Healing Power. Knopf, 1997.