APA (7th ed.) Citation

Ricker, R. A. (1998). Smart guide to vitamins and healing supplements. Cader Books.

Chicago Style (17th ed.) Citation

Ricker, Ruth A. Smart Guide to Vitamins and Healing Supplements. New York: Cader Books, 1998.

MLA (9th ed.) Citation

Ricker, Ruth A. Smart Guide to Vitamins and Healing Supplements. Cader Books, 1998.

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