Coffee plant, Niger, ca. 1920-1940
MLA
Coffee Plant, Niger, Ca. 1920-1940. 1920. https://collections.library.yale.edu/catalog/11444102.
APA, 6th edition
Coffee plant, Niger, ca. 1920-1940. (1920). [Photographic postcards (AAT), photographs (AAT), topographical views (AAT)]. https://collections.library.yale.edu/catalog/11444102.