APA (7th ed.) Citation

Combs, G. F., & Combs, S. B. (1986). The role of selenium in nutrition (1. print.). Acad. Pr.

Chicago Style (17th ed.) Citation

Combs, Gerald F., and Stephanie B. Combs. The Role of Selenium in Nutrition. 1. print. Orlando u.a: Acad. Pr, 1986.

MLA (9th ed.) Citation

Combs, Gerald F., and Stephanie B. Combs. The Role of Selenium in Nutrition. 1. print. Acad. Pr, 1986.