Cite

Children sitting in a classroom shown from the front of the class, Madagascar, ca. 1920-1940

MLA

Children Sitting in a Classroom Shown from the Front of the Class, Madagascar, Ca. 1920-1940. 1920. https://collections.library.yale.edu/catalog/11476640.

APA, 6th edition

Children sitting in a classroom shown from the front of the class, Madagascar, ca. 1920-1940. (1920). [General views (AAT), photographs (AAT)]. https://collections.library.yale.edu/catalog/11476640.