[10 of 14 folders]
MLA
Isherwood, Christopher,--1904-1986, Lehmann, John,--1907-1987. [10 of 14 folders]. Box 1 | Folder 10. n.d.. https://collections.library.yale.edu/catalog/16537996.
APA, 6th edition
Isherwood, Christopher,--1904-1986, & Lehmann, John,--1907-1987. (["Box 1 | Folder 10"])(n.d.)[[10 of 14 folders]]. https://collections.library.yale.edu/catalog/16537996.