Sisters teach girls how to sew, Angola, ca. 1900-1930
MLA
Sisters Teach Girls How to Sew, Angola, Ca. 1900-1930. 1900. https://collections.library.yale.edu/catalog/11437319.
APA, 6th edition
Sisters teach girls how to sew, Angola, ca. 1900-1930. (1900). [Group portraits (AAT), photographic postcards (AAT), photographs (AAT)]. https://collections.library.yale.edu/catalog/11437319.