A-C general
MLA
Hartley, Marsden, 1877-1943. A-C general. Box 11. 1930-1943, undated. https://collections.library.yale.edu/catalog/17188748.
APA, 6th edition
Hartley, Marsden, 1877-1943. (["Box 11"])(1930-1943, undated)[A-C general]. https://collections.library.yale.edu/catalog/17188748.