MLA

Kilpatrick, Jack Frederick (1915-1967). Diga:sa:gwalv Di:ni:nv (Judge, Goingsnake District). Letter, Goingsnake District, to Digu:hledi:sgi Wa:dhi. Box 3, folder 191. 1897. https://collections.library.yale.edu/catalog/15492327.

APA, 6th edition

Kilpatrick, Jack Frederick (1915-1967). (["Box 3, folder 191"])(1897)[Diga:sa:gwalv Di:ni:nv (Judge, Goingsnake District). Letter, Goingsnake District, to Digu:hledi:sgi Wa:dhi]. https://collections.library.yale.edu/catalog/15492327.