[Autograph letter signed to] Anne Hayman
MLA
Cotton, Miss H. M. [Autograph Letter Signed to] Anne Hayman. 0AD. https://collections.library.yale.edu/catalog/9998347.
APA, 6th edition
Cotton, M. H. M. (0 C.E.). [Autograph letter signed to] Anne Hayman [Autographs, Correspondence]. https://collections.library.yale.edu/catalog/9998347.