Cite

"The Pagan Isms," drafts, holograph, typescript and typescript carbon, corrected

MLA

McKay, Claude, 1890-1948. "The Pagan Isms," drafts, holograph, typescript and typescript carbon, corrected. Box 12, folder 389. n.d.. https://collections.library.yale.edu/catalog/32269425.

APA, 6th edition

McKay, Claude, 1890-1948. (["Box 12, folder 389"])(n.d.)["The Pagan Isms," drafts, holograph, typescript and typescript carbon, corrected]. https://collections.library.yale.edu/catalog/32269425.