Cite

Cocteau, Jean (to Marcel)

MLA

Koch, Frederick R. (Frederick Robinson). Cocteau, Jean (to Marcel). Box 48, folder 991. 1919 Aug 7. https://collections.library.yale.edu/catalog/16601854.

APA, 6th edition

Koch, Frederick R. (Frederick Robinson). (["Box 48, folder 991"])(1919 Aug 7)[Cocteau, Jean (to Marcel)]. https://collections.library.yale.edu/catalog/16601854.