MLA

Draper, Muriel, 1886-1952. "American Chic," typescript. Box 21, folder 683. n.d.. https://collections.library.yale.edu/catalog/17126706.

APA, 6th edition

Draper, Muriel, 1886-1952. (["Box 21, folder 683"])(n.d.)["American Chic," typescript]. https://collections.library.yale.edu/catalog/17126706.