MLA

Davison, Frederick Trubee, 1896-1974. Recruits. Box 16, folder 245. [ca. 1917-1918]. https://collections.library.yale.edu/catalog/10014577.

APA, 6th edition

Davison, Frederick Trubee, 1896-1974. (["Box 16, folder 245"])([ca. 1917-1918])[Recruits]. https://collections.library.yale.edu/catalog/10014577.