APA (7th ed.) Citation

Rudd, R. L., Craig, R. B., & Williams, W. S. (1981). Trophic accumulation of DDT in a terrestrial food web.

Chicago Style (17th ed.) Citation

Rudd, Robert L., Robert B. Craig, and W. S. Williams. Trophic Accumulation of DDT in a Terrestrial Food Web. 1981.

MLA (9th ed.) Citation

Rudd, Robert L., et al. Trophic Accumulation of DDT in a Terrestrial Food Web. 1981.