Cite

Letter : Santa Fe, New Mexico Territory, to Brantz Mayer, Baltimore, Maryland

MLA

Donaldson, James Lowry, 1814-1885. Letter : Santa Fe, New Mexico Territory, to Brantz Mayer, Baltimore, Maryland. 1860 May. https://collections.library.yale.edu/catalog/17245236.

APA, 6th edition

Donaldson, James Lowry, 1814-1885. (1860 May)[Letter : Santa Fe, New Mexico Territory, to Brantz Mayer, Baltimore, Maryland]. https://collections.library.yale.edu/catalog/17245236.