Cite

Men standing beside a fast-flowing river, Congo, ca. 1920-1940

MLA

Men Standing beside a Fast-Flowing River, Congo, Ca. 1920-1940. 1920. https://collections.library.yale.edu/catalog/11478506.

APA, 6th edition

Men standing beside a fast-flowing river, Congo, ca. 1920-1940. (1920). [General views (AAT), photographic postcards (AAT), photographs (AAT)]. https://collections.library.yale.edu/catalog/11478506.