Cita APA (7th ed.)
Williams, S. R. (1994). Essentials of nutrition and diet therapy (6th ed.). Mosby.
Cita Chicago (17th ed.)
Williams, Sue R. Essentials of Nutrition and Diet Therapy. 6th ed. St Louis,Baltimore: Mosby, 1994.
Cita MLA (9th ed.)
Williams, Sue R. Essentials of Nutrition and Diet Therapy. 6th ed. Mosby, 1994.
Atenció: Aquestes cites poden no estar 100% correctes.