MLA

of Women's Foreign Mission Boards of North America, Federation. Report of the Interdenominational Conference of the Woman's Boards of Foreign Missions of North America, v. 20 (1926). Federation of Woman's Boards of Foreign Missions of North America., 1926. https://collections.library.yale.edu/catalog/11484677.

APA, 6th edition

of Women's Foreign Mission Boards of North America, F. (1926). Report of the Interdenominational Conference of the Woman's Boards of Foreign Missions of North America, v. 20 (1926). Federation of Woman's Boards of Foreign Missions of North America. https://collections.library.yale.edu/catalog/11484677.