Hill, Derek
MLA
Lees-Milne, James, 1908-1997. Hill, Derek. Box 7, folder 357. 1981-92, n.d.. https://collections.library.yale.edu/catalog/17300577.
APA, 6th edition
Lees-Milne, James, 1908-1997. (["Box 7, folder 357"])(1981-92, n.d.)[Hill, Derek]. https://collections.library.yale.edu/catalog/17300577.