[Washington Square Park?], New York
MLA
Luhan, Mabel Dodge, 1879-1962. [Washington Square Park?], New York. Box 78, folder 2153. n.d.. https://collections.library.yale.edu/catalog/10189904.
APA, 6th edition
Luhan, Mabel Dodge, 1879-1962. (["Box 78, folder 2153"])(n.d.)[[Washington Square Park?], New York]. https://collections.library.yale.edu/catalog/10189904.