Cite

[Machine Age: Electronic pyrometer photos]

MLA

Pound, Ezra, 1885-1972. [Machine Age: Electronic pyrometer photos]. Box 1 | Folder 37. [193-]. https://collections.library.yale.edu/catalog/10080176.

APA, 6th edition

Pound, Ezra, 1885-1972. (["Box 1 | Folder 37"])([193-])[[Machine Age: Electronic pyrometer photos]]. https://collections.library.yale.edu/catalog/10080176.