MLA

Marinetti, F. T., 1876-1944. A group of clippings relating the problems of the Fascists in Milan in November 1919. [00694-1. box 9, slide 54. 1919. https://collections.library.yale.edu/catalog/10649324.

APA, 6th edition

Marinetti, F. T., 1876-1944. (["box 9, slide 54"])(1919)[A group of clippings relating the problems of the Fascists in Milan in November 1919. [00694-1]. https://collections.library.yale.edu/catalog/10649324.