[Correspondence : Willa Cather to F.O. Matthiessen]
MLA
Cather, Willa, 1873-1947. [Correspondence : Willa Cather to F.O. Matthiessen]. Box 1. 1926-1927. https://collections.library.yale.edu/catalog/16708772.
APA, 6th edition
Cather, Willa, 1873-1947. (["Box 1"])(1926-1927)[[Correspondence : Willa Cather to F.O. Matthiessen]]. https://collections.library.yale.edu/catalog/16708772.