MLA

Argus Book Shop (Chicago, Ill.). Ade, George. Box 1, folder 3. 1938. https://collections.library.yale.edu/catalog/17411901.

APA, 6th edition

Argus Book Shop (Chicago, Ill.). (["Box 1, folder 3"])(1938)[Ade, George]. https://collections.library.yale.edu/catalog/17411901.