[Autograph letter signed] 1850 August 13, Logan County, Ohio [to] John Gish, Sacramento, California
MLA
[Autograph Letter Signed] 1850 August 13, Logan County, Ohio [to] John Gish, Sacramento, California. 1850. https://collections.library.yale.edu/catalog/2040949.
APA, 6th edition
[Autograph letter signed] 1850 August 13, Logan County, Ohio [to] John Gish, Sacramento, California. (1850). [Correspondence, Gold rush diaries, Overland journals]. https://collections.library.yale.edu/catalog/2040949.