Cite
A4 paper and rhombuses inscribed in a rectangle.
MLA
Mostowski, Krzysztof. “A4 Paper and Rhombuses Inscribed in a Rectangle.” Mathematics Teaching, no. 168, Sept. 1999, p. 63. 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=2393444&authtype=sso&custid=ns315887.
APA
Mostowski, K. (1999). A4 paper and rhombuses inscribed in a rectangle. Mathematics Teaching, 168, 63.
Chicago
Mostowski, Krzysztof. 1999. “A4 Paper and Rhombuses Inscribed in a Rectangle.” Mathematics Teaching, no. 168 (September): 63. 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=2393444&authtype=sso&custid=ns315887.