MLA

Morath, Inge, 1923-2002. Academic documents. Box 583. 1940-1971. https://collections.library.yale.edu/catalog/15506513.

APA, 6th edition

Morath, Inge, 1923-2002. (["Box 583"])(1940-1971)[Academic documents]. https://collections.library.yale.edu/catalog/15506513.