Cite

Dreier, Katherine S.

MLA

Dreier, Katherine S. (Katherine Sophie), 1877-1952. Dreier, Katherine S.. Box 92, folder 2351. n.d.. https://collections.library.yale.edu/catalog/2040537.

APA, 6th edition

Dreier, Katherine S. (Katherine Sophie), 1877-1952. (["Box 92, folder 2351"])(n.d.)[Dreier, Katherine S.]. https://collections.library.yale.edu/catalog/2040537.