Cite

1 autograph letter, signed, to Harold Jackman

MLA

1 Autograph Letter, Signed, to Harold Jackman. 22AD. https://collections.library.yale.edu/catalog/32335784.

APA, 6th edition

1 autograph letter, signed, to Harold Jackman. (22 C.E.). https://collections.library.yale.edu/catalog/32335784.