Cite
Keeping problem tigers from becoming a problem species
MLA
Tilson, Ronald, and Philip Nyhus. “Keeping Problem Tigers from Becoming a Problem Species.” Conservation Biology, vol. 12, no. 2, Apr. 1998, p. 261. 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=edsggo&AN=edsgcl.53587990&authtype=sso&custid=ns315887.
APA
Tilson, R., & Nyhus, P. (1998). Keeping problem tigers from becoming a problem species. Conservation Biology, 12(2), 261.
Chicago
Tilson, Ronald, and Philip Nyhus. 1998. “Keeping Problem Tigers from Becoming a Problem Species.” Conservation Biology 12 (2): 261. 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=edsggo&AN=edsgcl.53587990&authtype=sso&custid=ns315887.