Cita APA (7th ed.)

Whitney, E. N., & Rolfes, S. R. (2016). Understanding nutrition (Fourteenth edition.). Cengage Learning.

Cita Chicago (17th ed.)

Whitney, Eleanor Noss, i Sharon Rady Rolfes. Understanding Nutrition. Fourteenth edition. Belmont, CA: Cengage Learning, 2016.

Cita MLA (9th ed.)

Whitney, Eleanor Noss, i Sharon Rady Rolfes. Understanding Nutrition. Fourteenth edition. Cengage Learning, 2016.