MLA

Twichell, Joseph Hopkins, 1838-1918. Photograph album, volume 4. Box 21. 1909-1914. https://collections.library.yale.edu/catalog/2026459.

APA, 6th edition

Twichell, Joseph Hopkins, 1838-1918. (["Box 21"])(1909-1914)[Photograph album, volume 4]. https://collections.library.yale.edu/catalog/2026459.