Cite

Notebook 72: [Rock Drill, 5]

MLA

Pound, Ezra, 1885-1972. Notebook 72: [Rock Drill, 5]. Box 118, folder 4940. 1951 Aug. https://collections.library.yale.edu/catalog/17122814.

APA, 6th edition

Pound, Ezra, 1885-1972. (["Box 118, folder 4940"])(1951 Aug)[Notebook 72: [Rock Drill, 5]]. https://collections.library.yale.edu/catalog/17122814.