Cite

Buchanan, James, to Peter Parker (copy)

MLA

Parker, Peter, 1804-1888. Buchanan, James, to Peter Parker (copy). 1847 November 10. https://collections.library.yale.edu/catalog/16808611.

APA, 6th edition

Parker, Peter, 1804-1888. (1847 November 10)[Buchanan, James, to Peter Parker (copy)]. https://collections.library.yale.edu/catalog/16808611.