Cite

[Woman, seated, with flowers and hat]

MLA

Dreier, Katherine S. (Katherine Sophie), 1877-1952. [Woman, seated, with flowers and hat]. Box 72, folder 1862. n.d.. https://collections.library.yale.edu/catalog/17047969.

APA, 6th edition

Dreier, Katherine S. (Katherine Sophie), 1877-1952. (["Box 72, folder 1862"])(n.d.)[[Woman, seated, with flowers and hat]]. https://collections.library.yale.edu/catalog/17047969.