MLA

Farrar, John Chipman, 1896-1974. Photographs. Hayward, Du Bose. Box 42. undated. https://collections.library.yale.edu/catalog/17360646.

APA, 6th edition

Farrar, John Chipman, 1896-1974. (["Box 42"])(undated)[Photographs. Hayward, Du Bose]. https://collections.library.yale.edu/catalog/17360646.