Cite
Life on the edge
MLA
Poorten, Alf van der. “Life on the Edge.” The American Mathematical Monthly, vol. 109, no. 9, Nov. 2002, p. 850. 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.119081923&authtype=sso&custid=ns315887.
APA
Poorten, A. van der. (2002). Life on the edge. The American Mathematical Monthly, 109(9), 850.
Chicago
Poorten, Alf van der. 2002. “Life on the Edge.” The American Mathematical Monthly 109 (9): 850. 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.119081923&authtype=sso&custid=ns315887.