MLA

Berger, Spencer, 1917-2002. Photographs. Box 17. 1892-1992, undated. https://collections.library.yale.edu/catalog/17175828.

APA, 6th edition

Berger, Spencer, 1917-2002. (["Box 17"])(1892-1992, undated)[Photographs]. https://collections.library.yale.edu/catalog/17175828.