APA (7th ed.) Citation

Roth, R. A., & Wehrle, K. L. (2018). Nutrition & diet therapy (12th ed.). Cengage Learning.

Chicago Style (17th ed.) Citation

Roth, Ruth A., and Kathy L. Wehrle. Nutrition & Diet Therapy. 12th ed. Boston, MA: Cengage Learning, 2018.

MLA (9th ed.) Citation

Roth, Ruth A., and Kathy L. Wehrle. Nutrition & Diet Therapy. 12th ed. Cengage Learning, 2018.