MLA

Young Catechumens Standing Outside of a Thatch-Roofed School Building, Benin, Ca. 1920-1940. 1920. https://collections.library.yale.edu/catalog/11444425.

APA, 6th edition

Young catechumens standing outside of a thatch-roofed school building, Benin, ca. 1920-1940. (1920). [Group portraits (AAT), photographic postcards (AAT), photographs (AAT)]. https://collections.library.yale.edu/catalog/11444425.