Cite

[Autograph letter signed] 1851 April 28, Jackson, Calaveras County, California [to] Mary Gish

MLA

[Autograph Letter Signed] 1851 April 28, Jackson, Calaveras County, California [to] Mary Gish. 1851. https://collections.library.yale.edu/catalog/2041080.

APA, 6th edition

[Autograph letter signed] 1851 April 28, Jackson, Calaveras County, California [to] Mary Gish. (1851). [Correspondence, Gold rush diaries, Overland journals]. https://collections.library.yale.edu/catalog/2041080.