MLA

Conference, Methodist Episcopal Church. Rhodesia. Official Journal of the Twelfth Session of Rhodesia Annual Conference (Old Umtali, Southern Rhodesia [Mutare, Zimbabwe], August 22-27, 1950). Rhodesia Mission Press, 1950. https://collections.library.yale.edu/catalog/16761610.

APA, 6th edition

Conference, M. E. C. R. (1950). Official Journal of the Twelfth Session of Rhodesia Annual Conference (Old Umtali, Southern Rhodesia [Mutare, Zimbabwe], August 22-27, 1950). Rhodesia Mission Press. https://collections.library.yale.edu/catalog/16761610.