MLA

Prokosch, Frederic, 1908-1989. Photographs. Box 11. [1937-1943]. https://collections.library.yale.edu/catalog/32319379.

APA, 6th edition

Prokosch, Frederic, 1908-1989. (["Box 11"])([1937-1943])[Photographs]. https://collections.library.yale.edu/catalog/32319379.