Cite
FAVOURITE GEMS.
MLA
Barnes, John. “Favourite Gems.” Mathematics Teaching, no. 222, May 2011, pp. 16–17. 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=61865843&authtype=sso&custid=ns315887.
APA
Barnes, J. (2011). Favourite Gems. Mathematics Teaching, 222, 16–17.
Chicago
Barnes, John. 2011. “Favourite Gems.” Mathematics Teaching, no. 222 (May): 16–17. 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=61865843&authtype=sso&custid=ns315887.