Cite

American Imperialist: "The Nature of South America": typescript

MLA

Pound, Ezra, 1885-1972. American Imperialist: "The Nature of South America": typescript. Box 126, folder 5231. 1943 Jun 11. https://collections.library.yale.edu/catalog/17122841.

APA, 6th edition

Pound, Ezra, 1885-1972. (["Box 126, folder 5231"])(1943 Jun 11)[American Imperialist: "The Nature of South America": typescript]. https://collections.library.yale.edu/catalog/17122841.