Harvesting palm nuts, Africa, ca. 1920-1940
MLA
Harvesting Palm Nuts, Africa, Ca. 1920-1940. 1920. https://collections.library.yale.edu/catalog/11447441.
APA, 6th edition
Harvesting palm nuts, Africa, ca. 1920-1940. (1920). [Drawings (AAT), general views (AAT), photographic postcards (AAT)]. https://collections.library.yale.edu/catalog/11447441.