MLA

Marinetti, F. T., 1876-1944. Filippo Tommaso Marinetti. “Wireless Imagination and Words at Liberty.” Roma Futurista, 1920. [1936-1]. box 25, slide 36. 1920. https://collections.library.yale.edu/catalog/10651419.

APA, 6th edition

Marinetti, F. T., 1876-1944. (["box 25, slide 36"])(1920)[Filippo Tommaso Marinetti. “Wireless Imagination and Words at Liberty.” Roma Futurista, 1920. [1936-1]]. https://collections.library.yale.edu/catalog/10651419.