Cite

Envelope addressed to Mr. John Campbell and with several letters

MLA

Kilpatrick, Jack Frederick (1915-1967). Envelope addressed to Mr. John Campbell and with several letters. Box 17, folder 1439. 1938. https://collections.library.yale.edu/catalog/15532143.

APA, 6th edition

Kilpatrick, Jack Frederick (1915-1967). (["Box 17, folder 1439"])(1938)[Envelope addressed to Mr. John Campbell and with several letters]. https://collections.library.yale.edu/catalog/15532143.