MLA

Moore, Marianne, 1887-1972. Eight Poems, holograph texts of poems prepared for reproduction. Box 1, folder 4. 1962. https://collections.library.yale.edu/catalog/2004187.

APA, 6th edition

Moore, Marianne, 1887-1972. (["Box 1, folder 4"])(1962)[Eight Poems, holograph texts of poems prepared for reproduction]. https://collections.library.yale.edu/catalog/2004187.