Cita APA (7th ed.)

Williams, S. R., & Worthington-Roberts, B. S. (1996). Nutrition throughout the life cycle (3rd ed.). Mosby.

Cita Chicago (17th ed.)

Williams, Sue Rodwell, i Bonnie S. Worthington-Roberts. Nutrition Throughout the Life Cycle. 3rd ed. St. Louis: Mosby, 1996.

Cita MLA (9th ed.)

Williams, Sue Rodwell, i Bonnie S. Worthington-Roberts. Nutrition Throughout the Life Cycle. 3rd ed. Mosby, 1996.