MLA

in America. Arabian Mission, Reformed Church. Arabia Calling, v. 166 (October-December, 1933). Arabian Mission of the Reformed Church in America, 1933. https://collections.library.yale.edu/catalog/11646802.

APA, 6th edition

in America. Arabian Mission, R. C. (1933). Arabia Calling, v. 166 (October-December, 1933). Arabian Mission of the Reformed Church in America. https://collections.library.yale.edu/catalog/11646802.