Unidentified author. Unidentified poem: autograph manuscript
MLA
Unidentified Author. Unidentified Poem: Autograph Manuscript. 0AD. https://collections.library.yale.edu/catalog/16710158.
APA, 6th edition
Unidentified author. Unidentified poem: autograph manuscript. (0 C.E.). [Manuscripts]. https://collections.library.yale.edu/catalog/16710158.