Cite

Letter: Lieutenant J. P. Sloan to unidentified recipient

MLA

Hitchcock, Ethan Allen, 1798-1870. Letter: Lieutenant J. P. Sloan to unidentified recipient. Box 5, folder 27. 1837 March 31. https://collections.library.yale.edu/catalog/16717221.

APA, 6th edition

Hitchcock, Ethan Allen, 1798-1870. (["Box 5, folder 27"])(1837 March 31)[Letter: Lieutenant J. P. Sloan to unidentified recipient]. https://collections.library.yale.edu/catalog/16717221.