Cite

Boy writing on chalkboard, Congo, ca. 1923

MLA

Boy Writing on Chalkboard, Congo, Ca. 1923. 1923. https://collections.library.yale.edu/catalog/11455926.

APA, 6th edition

Boy writing on chalkboard, Congo, ca. 1923. (1923). [General views (AAT), photographic postcards (AAT), photographs (AAT)]. https://collections.library.yale.edu/catalog/11455926.