Cite

Henry, Joseph, to Peter Parker

MLA

Parker, Peter, 1804-1888. Henry, Joseph, to Peter Parker. 1869 January 16. https://collections.library.yale.edu/catalog/16808636.

APA, 6th edition

Parker, Peter, 1804-1888. (1869 January 16)[Henry, Joseph, to Peter Parker]. https://collections.library.yale.edu/catalog/16808636.