Cita APA (7a ed.)

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

Cita Chicago Style (17a ed.)

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

Cita MLA (9a ed.)

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