MLA

Miłosz, Czesław, 1911-2004. Family photographs. Box 182, folder 2830. 1880s, undated. https://collections.library.yale.edu/catalog/2066953.

APA, 6th edition

Miłosz, Czesław, 1911-2004. (["Box 182, folder 2830"])(1880s, undated)[Family photographs]. https://collections.library.yale.edu/catalog/2066953.