Letter or note, signed "Atslagi (a Cherokee)"
MLA
Kilpatrick, Jack Frederick. Letter or Note, Signed "Atslagi (a Cherokee)". 0AD. https://collections.library.yale.edu/catalog/15532577.
APA, 6th edition
Kilpatrick, J. F. (0 C.E.). Letter or note, signed "Atslagi (a Cherokee)". https://collections.library.yale.edu/catalog/15532577.