Cite

River, Lulula, Congo, ca. 1920-1940

MLA

River, Lulula, Congo, Ca. 1920-1940. 1920. https://collections.library.yale.edu/catalog/11455215.

APA, 6th edition

River, Lulula, Congo, ca. 1920-1940. (1920). [Photographic postcards (AAT), photographs (AAT), topographical views (AAT)]. https://collections.library.yale.edu/catalog/11455215.