Cite

Cather, Willa (to Elinor Wylie)

MLA

Benét, William Rose, 1886-1950. Cather, Willa (to Elinor Wylie). Box 8, folder 303. undated. https://collections.library.yale.edu/catalog/16708776.

APA, 6th edition

Benét, William Rose, 1886-1950. (["Box 8, folder 303"])(undated)[Cather, Willa (to Elinor Wylie)]. https://collections.library.yale.edu/catalog/16708776.