MLA

Dreier, Katherine S. (Katherine Sophie), 1877-1952. "Aso-Neith Cryptogram," typescript, corrected. Box 49, folder 1435. n.d.. https://collections.library.yale.edu/catalog/16694445.

APA, 6th edition

Dreier, Katherine S. (Katherine Sophie), 1877-1952. (["Box 49, folder 1435"])(n.d.)["Aso-Neith Cryptogram," typescript, corrected]. https://collections.library.yale.edu/catalog/16694445.