Cite

Standingdeer, Dave. letter, 4 pages

MLA

Kilpatrick, Jack Frederick. Standingdeer, Dave. Letter, 4 Pages. 0AD. https://collections.library.yale.edu/catalog/15492268.

APA, 6th edition

Kilpatrick, J. F. (0 C.E.). Standingdeer, Dave. letter, 4 pages. https://collections.library.yale.edu/catalog/15492268.