Survival of the fittest.

MLA

Fitzgerald, Mark. “Survival of the Fittest.” Adweek Eastern Edition, vol. 42, no. 18, Apr. 2001, p. SR8. 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=edb&AN=4427730&authtype=sso&custid=ns315887.

APA

Fitzgerald, M. (2001). Survival of the fittest. Adweek Eastern Edition, 42(18), SR8.

Chicago

Fitzgerald, Mark. 2001. “Survival of the Fittest.” Adweek Eastern Edition 42 (18): SR8. 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=edb&AN=4427730&authtype=sso&custid=ns315887.