Crane's will (copy)
MLA
Crane, Hart, 1899-1932. Crane's will (copy). Box 11, folder 367. n.d.. https://collections.library.yale.edu/catalog/2000065.
APA, 6th edition
Crane, Hart, 1899-1932. (["Box 11, folder 367"])(n.d.)[Crane's will (copy)]. https://collections.library.yale.edu/catalog/2000065.