Cite

Four men on a woven rope bridge, Sierra Leone, ca. 1920-1940

MLA

Four Men on a Woven Rope Bridge, Sierra Leone, Ca. 1920-1940. 1920. https://collections.library.yale.edu/catalog/11447250.

APA, 6th edition

Four men on a woven rope bridge, Sierra Leone, ca. 1920-1940. (1920). [General views (AAT), photographic postcards (AAT), photographs (AAT)]. https://collections.library.yale.edu/catalog/11447250.