Two Christian families standing together, Congo, ca. 1920-1940
MLA
Two Christian Families Standing Together, Congo, Ca. 1920-1940. 1920. https://collections.library.yale.edu/catalog/11478490.
APA, 6th edition
Two Christian families standing together, Congo, ca. 1920-1940. (1920). [General views (AAT), photographic postcards (AAT), photographs (AAT)]. https://collections.library.yale.edu/catalog/11478490.