MLA

Dreier, Katherine S. (Katherine Sophie), 1877-1952. [Eilshemius, Louis M. Lecture at the Société Anonyme's museum], typescript, corrected. Box 49, folder 1444. 1920 Oct 15. https://collections.library.yale.edu/catalog/16694449.

APA, 6th edition

Dreier, Katherine S. (Katherine Sophie), 1877-1952. (["Box 49, folder 1444"])(1920 Oct 15)[[Eilshemius, Louis M. Lecture at the Société Anonyme's museum], typescript, corrected]. https://collections.library.yale.edu/catalog/16694449.