Cite

Ikopa River valley, Madagascar, ca.1920-1940

MLA

Ikopa River Valley, Madagascar, Ca.1920-1940. 0AD. https://collections.library.yale.edu/catalog/16717468.

APA, 6th edition

Ikopa River valley, Madagascar, ca.1920-1940. (0 C.E.). [Photographs (AAT)--photographic postcards (AAT)]. https://collections.library.yale.edu/catalog/16717468.