MLA

Marinetti, F. T., 1876-1944. Luigi Emery. “La forma letteraria d'un filosofo.” Poesia ed Arte, Feb 1920. [1764-1]. box 23, slide 24. 1920. https://collections.library.yale.edu/catalog/10651100.

APA, 6th edition

Marinetti, F. T., 1876-1944. (["box 23, slide 24"])(1920)[Luigi Emery. “La forma letteraria d'un filosofo.” Poesia ed Arte, Feb 1920. [1764-1]]. https://collections.library.yale.edu/catalog/10651100.