MLA

Barthelmess, Christian, 1854-1906. Five Apache Indian men posed holding rifles, one also holding a revolver, as well as cartridge belts. Box 2. 1884-1887. https://collections.library.yale.edu/catalog/16174247.

APA, 6th edition

Barthelmess, Christian, 1854-1906. (["Box 2"])(1884-1887)[Five Apache Indian men posed holding rifles, one also holding a revolver, as well as cartridge belts]. https://collections.library.yale.edu/catalog/16174247.