Citazione Stile APA (7a Edizione)

Guthrie, H. A. (1975). Introductory nutrition (3a. ed.). C. V. Mosby Company.

Citazione stile Chigago Style (17a edizione)

Guthrie, Helen Andrews. Introductory Nutrition. 3a. ed. Saint Louis: C. V. Mosby Company, 1975.

Citatione MLA (9a ed.)

Guthrie, Helen Andrews. Introductory Nutrition. 3a. ed. C. V. Mosby Company, 1975.