California
MLA
Hulme, Kathryn, 1900-1981. California. Box 52, folder 719-20. n.d.. https://collections.library.yale.edu/catalog/32474188.
APA, 6th edition
Hulme, Kathryn, 1900-1981. (["Box 52, folder 719-20"])(n.d.)[California]. https://collections.library.yale.edu/catalog/32474188.