Cita APA (7th ed.)

Combs, G. F. (2012). The vitamins: Fundamental aspects in nutrition and health (4th ed.). Elsevier/Academic Press.

Cita Chicago (17th ed.)

Combs, Gerald F. The Vitamins: Fundamental Aspects in Nutrition and Health. 4th ed. Amsterdam: Elsevier/Academic Press, 2012.

Cita MLA (9th ed.)

Combs, Gerald F. The Vitamins: Fundamental Aspects in Nutrition and Health. 4th ed. Elsevier/Academic Press, 2012.