Cite

"Dear Elizabeth Sparhawk-Jones"

MLA

Hartley, Marsden, 1877-1943. "Dear Elizabeth Sparhawk-Jones". Box 16a. undated. https://collections.library.yale.edu/catalog/16723439.

APA, 6th edition

Hartley, Marsden, 1877-1943. (["Box 16a"])(undated)["Dear Elizabeth Sparhawk-Jones"]. https://collections.library.yale.edu/catalog/16723439.