MLA

in America. Arabian Mission, Reformed Church. Arabia Calling, v. 93 (April-June, 1915). Arabian Mission of the Reformed Church in America, 1915. https://collections.library.yale.edu/catalog/11674132.

APA, 6th edition

in America. Arabian Mission, R. C. (1915). Arabia Calling, v. 93 (April-June, 1915). Arabian Mission of the Reformed Church in America. https://collections.library.yale.edu/catalog/11674132.