MLA

Daggett, David, 1764-1851. Grennell, George (1786-1877). Box 5, folder 147. 1835-1836. https://collections.library.yale.edu/catalog/32512035.

APA, 6th edition

Daggett, David, 1764-1851. (["Box 5, folder 147"])(1835-1836)[Grennell, George (1786-1877)]. https://collections.library.yale.edu/catalog/32512035.