MLA

Underwood, and Underwood. Photographs Relating to Mormons in Illinois, Missouri and Utah [Graphic]. 1903. https://collections.library.yale.edu/catalog/10507356.

APA, 6th edition

U., & U. (1903). Photographs relating to Mormons in Illinois, Missouri and Utah [graphic]. [Photograph albums (AAT), Photographic prints.--aat, photographs (AAT), photographs: albumen prints (AAT)]. https://collections.library.yale.edu/catalog/10507356.