MLA

Ficke, Arthur Davison, 1883-1945. Book I, Chapters I-XI: typescript, original, corrected. Box 37, folder 1187-1197. n.d.. https://collections.library.yale.edu/catalog/17156212.

APA, 6th edition

Ficke, Arthur Davison, 1883-1945. (["Box 37, folder 1187-1197"])(n.d.)[Book I, Chapters I-XI: typescript, original, corrected]. https://collections.library.yale.edu/catalog/17156212.