Cite

Gate in city wall, Kano, Nigeria, ca. 1920-1940

MLA

Gate in City Wall, Kano, Nigeria, Ca. 1920-1940. 1920. https://collections.library.yale.edu/catalog/11447100.

APA, 6th edition

Gate in city wall, Kano, Nigeria, ca. 1920-1940. (1920). [General views (AAT), photographic postcards (AAT), photographs (AAT)]. https://collections.library.yale.edu/catalog/11447100.