APA (7th ed.) Citation

Sigel, A., & Sigel, H. (1983). Zinc and its role in biology and nutrition. Dekker.

Chicago Style (17th ed.) Citation

Sigel, Astrid, and Helmut Sigel. Zinc and Its Role in Biology and Nutrition. New York: Dekker, 1983.

MLA (9th ed.) Citation

Sigel, Astrid, and Helmut Sigel. Zinc and Its Role in Biology and Nutrition. Dekker, 1983.

Warning: These citations may not always be 100% accurate.