APA (7th ed.) Citation

Wilber, C. G. (1983). Selenium: A potential environmental poison and a necessary food constituent. Thomas.

Chicago Style (17th ed.) Citation

Wilber, Charles G. Selenium: A Potential Environmental Poison and a Necessary Food Constituent. Springfield, Ill: Thomas, 1983.

MLA (9th ed.) Citation

Wilber, Charles G. Selenium: A Potential Environmental Poison and a Necessary Food Constituent. Thomas, 1983.