Cite

G.S. No title. No source, [1920]. Deals with Marinetti and Futurism. [2293-1]

MLA

Marinetti, F. T., 1876-1944. G.S. No title. No source, [1920]. Deals with Marinetti and Futurism. [2293-1]. box 29, slide 73. 1920. https://collections.library.yale.edu/catalog/10651908.

APA, 6th edition

Marinetti, F. T., 1876-1944. (["box 29, slide 73"])(1920)[G.S. No title. No source, [1920]. Deals with Marinetti and Futurism. [2293-1]]. https://collections.library.yale.edu/catalog/10651908.