MLA

Hulme, Kathryn, 1900-1981. Zinnemann, Renee. Box 19, folder 509. 1958-63. https://collections.library.yale.edu/catalog/32474176.

APA, 6th edition

Hulme, Kathryn, 1900-1981. (["Box 19, folder 509"])(1958-63)[Zinnemann, Renee]. https://collections.library.yale.edu/catalog/32474176.