APA (7th ed.) Citation

WHITNEY, E. N., & ROLFES, S. R. (2004). Understanding nutrition.-- ed.9. Wadworth Thomson Learning.

Chicago Style (17th ed.) Citation

WHITNEY, Eleanor Noss, and Sharon Rady ROLFES. Understanding Nutrition.-- Ed.9. Australia: Wadworth Thomson Learning, 2004.

MLA (9th ed.) Citation

WHITNEY, Eleanor Noss, and Sharon Rady ROLFES. Understanding Nutrition.-- Ed.9. Wadworth Thomson Learning, 2004.