[Autograph letter signed] 1855 November 25, Willamette Valley [to] John Flett, Wapatoo encampment
MLA
Jennings, Berryman. [Autograph Letter Signed] 1855 November 25, Willamette Valley [to] John Flett, Wapatoo Encampment. 1855. https://collections.library.yale.edu/catalog/2054825.
APA, 6th edition
Jennings, B. (1855). [Autograph letter signed] 1855 November 25, Willamette Valley [to] John Flett, Wapatoo encampment [Autographs, Correspondence, Marginalia]. https://collections.library.yale.edu/catalog/2054825.