Cite

Riddel, Samuel H., Boston, to Peter Parker

MLA

Parker, Peter, 1804-1888. Riddel, Samuel H., Boston, to Peter Parker. 1847 April 26. https://collections.library.yale.edu/catalog/16808663.

APA, 6th edition

Parker, Peter, 1804-1888. (1847 April 26)[Riddel, Samuel H., Boston, to Peter Parker]. https://collections.library.yale.edu/catalog/16808663.