Cite
Effect of food type on the acute and chronic toxicity of copper to Daphnia magna.
MLA
Farrell, Michael P., et al. “Effect of Food Type on the Acute and Chronic Toxicity of Copper to Daphnia Magna.” Freshwater Biology, vol. 7, no. 4, Aug. 1977, pp. 343–49. EBSCOhost, widgets.ebscohost.com/prod/customlink/proxify/proxify.php?count=1&encode=0&proxy=&find_1=&replace_1=&target=https://search.ebscohost.com/login.aspx?direct=true&site=eds-live&scope=site&db=asx&AN=8121307&authtype=sso&custid=ns315887.
APA
Farrell, M. P., Yeager, R., Winner, R. W., & Keeling, T. (1977). Effect of food type on the acute and chronic toxicity of copper to Daphnia magna. Freshwater Biology, 7(4), 343–349.
Chicago
Farrell, Michael P., Robert Yeager, Robert W. Winner, and Theodore Keeling. 1977. “Effect of Food Type on the Acute and Chronic Toxicity of Copper to Daphnia Magna.” Freshwater Biology 7 (4): 343–49. http://widgets.ebscohost.com/prod/customlink/proxify/proxify.php?count=1&encode=0&proxy=&find_1=&replace_1=&target=https://search.ebscohost.com/login.aspx?direct=true&site=eds-live&scope=site&db=asx&AN=8121307&authtype=sso&custid=ns315887.