Mexico and the United States.

MLA

Croly, Herbert. “Mexico and the United States.” New Republic, vol. 50, no. 643, Mar. 1927, pp. 159–64. 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=15354326&authtype=sso&custid=ns315887.

APA

Croly, H. (1927). Mexico and the United States. New Republic, 50(643), 159–164.

Chicago

Croly, Herbert. 1927. “Mexico and the United States.” New Republic 50 (643): 159–64. 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=15354326&authtype=sso&custid=ns315887.