Cite

Anonymous. “Futurismo per salotti.” 2000, [1929]. [7221-1]

MLA

Marinetti, F. T., 1876-1944. Anonymous. “Futurismo per salotti.” 2000, [1929]. [7221-1]. box 91, slide 41. 1929. https://collections.library.yale.edu/catalog/10660147.

APA, 6th edition

Marinetti, F. T., 1876-1944. (["box 91, slide 41"])(1929)[Anonymous. “Futurismo per salotti.” 2000, [1929]. [7221-1]]. https://collections.library.yale.edu/catalog/10660147.