Cite

Gurley, R[alph] R[andolph], to Peter Parker

MLA

Parker, Peter, 1804-1888. Gurley, R[alph] R[andolph], to Peter Parker. 1841 May 28. https://collections.library.yale.edu/catalog/16808628.

APA, 6th edition

Parker, Peter, 1804-1888. (1841 May 28)[Gurley, R[alph] R[andolph], to Peter Parker]. https://collections.library.yale.edu/catalog/16808628.