MLA

Miller, Henry, 1891-1980. "Nexus Vol 2," drafts, typescript and typescript carbon. Box 2, folder 24-29. 1961, undated. https://collections.library.yale.edu/catalog/17420450.

APA, 6th edition

Miller, Henry, 1891-1980. (["Box 2, folder 24-29"])(1961, undated)["Nexus Vol 2," drafts, typescript and typescript carbon]. https://collections.library.yale.edu/catalog/17420450.