The root 2 rectangle.

MLA

Stephenson, Paul. “The Root 2 Rectangle.” Mathematics Teaching, no. 251, Apr. 2016, p. 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=115195149&authtype=sso&custid=ns315887.

APA

Stephenson, P. (2016). The root 2 rectangle. Mathematics Teaching, 251, 17.

Chicago

Stephenson, Paul. 2016. “The Root 2 Rectangle.” Mathematics Teaching, no. 251 (April): 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=115195149&authtype=sso&custid=ns315887.