Cite

Pyramids, Egypt, ca.19201-1940

MLA

Pyramids, Egypt, Ca.19201-1940. 0AD. https://collections.library.yale.edu/catalog/16717813.

APA, 6th edition

Pyramids, Egypt, ca.19201-1940. (0 C.E.). [Photographs (AAT)--photographic postcards (AAT)]. https://collections.library.yale.edu/catalog/16717813.