MLA

Grandchildren of Emily Kitchel Slater. 0AD. https://collections.library.yale.edu/catalog/2029062.

APA, 6th edition

Grandchildren of Emily Kitchel Slater. (0 C.E.). [Cabinet photographs, Card photographs, Photographic prints, Photographs, Studio portraits]. https://collections.library.yale.edu/catalog/2029062.