Two men near the falls of Ngunie, Gabon, ca. 1900-1930
MLA
Two Men near the Falls of Ngunie, Gabon, Ca. 1900-1930. 1900. https://collections.library.yale.edu/catalog/11437220.
APA, 6th edition
Two men near the falls of Ngunie, Gabon, ca. 1900-1930. (1900). [Group portraits (AAT), photographic postcards (AAT), photographs (AAT)]. https://collections.library.yale.edu/catalog/11437220.