MLA

Low, David, 1891-1963. "Gad, Sir, Col. Blimp Is Very Much Alive," The New York Times Magazine: printed version. Box 34, folder 1161. 1943 Mar 7. https://collections.library.yale.edu/catalog/10269491.

APA, 6th edition

Low, David, 1891-1963. (["Box 34, folder 1161"])(1943 Mar 7)["Gad, Sir, Col. Blimp Is Very Much Alive," The New York Times Magazine: printed version]. https://collections.library.yale.edu/catalog/10269491.