MLA

Davison, Frederick Trubee, 1896-1974. Gates, Artemus L. "Di" - includes photos, writings, and miscellaneous papers. Box 14, folder 213-217. 1917-1918, undated. https://collections.library.yale.edu/catalog/10081929.

APA, 6th edition

Davison, Frederick Trubee, 1896-1974. (["Box 14, folder 213-217"])(1917-1918, undated)[Gates, Artemus L. "Di" - includes photos, writings, and miscellaneous papers]. https://collections.library.yale.edu/catalog/10081929.