Cite

Two men building a granary, Nigeria, ca. 1920-1940

MLA

Two Men Building a Granary, Nigeria, Ca. 1920-1940. 1920. https://collections.library.yale.edu/catalog/11444108.

APA, 6th edition

Two men building a granary, Nigeria, ca. 1920-1940. (1920). [General views (AAT), photographic postcards (AAT), photographs (AAT)]. https://collections.library.yale.edu/catalog/11444108.