MLA

Richards, David Alan, 1945-. The Light that Failed, draft, typescript and typescript carbon, corrected, with proofreaders' marks. Box 1. circa 1890. https://collections.library.yale.edu/catalog/2023030.

APA, 6th edition

Richards, David Alan, 1945-. (["Box 1"])(circa 1890)[The Light that Failed, draft, typescript and typescript carbon, corrected, with proofreaders' marks]. https://collections.library.yale.edu/catalog/2023030.