Outline for unidentifed work
MLA
Pound, Ezra, 1885-1972. Outline for unidentifed work. Box 46, folder 1021. n.d.. https://collections.library.yale.edu/catalog/17180229.
APA, 6th edition
Pound, Ezra, 1885-1972. (["Box 46, folder 1021"])(n.d.)[Outline for unidentifed work]. https://collections.library.yale.edu/catalog/17180229.