Cite

Duncan, Walter. Letter to Dollie Duncan on Oklahoma State Penitentiary stationary

MLA

Kilpatrick, Jack Frederick. Duncan, Walter. Letter to Dollie Duncan on Oklahoma State Penitentiary Stationary. 0AD. https://collections.library.yale.edu/catalog/15532641.

APA, 6th edition

Kilpatrick, J. F. (0 C.E.). Duncan, Walter. Letter to Dollie Duncan on Oklahoma State Penitentiary stationary. https://collections.library.yale.edu/catalog/15532641.