Cite

Palm tree standing on a grassy plain, Congo, ca. 1920-1940

MLA

Palm Tree Standing on a Grassy Plain, Congo, Ca. 1920-1940. 1920. https://collections.library.yale.edu/catalog/11455721.

APA, 6th edition

Palm tree standing on a grassy plain, Congo, ca. 1920-1940. (1920). [General views (AAT), photographs (AAT)]. https://collections.library.yale.edu/catalog/11455721.