MLA

Marinetti, F. T., 1876-1944. Anonymous. “Futurismo artistico. Manifesto.” Popolo di Sicilia, 29 nov 1930. [6842-1]. box 86, slide 62. 1930. https://collections.library.yale.edu/catalog/10659507.

APA, 6th edition

Marinetti, F. T., 1876-1944. (["box 86, slide 62"])(1930)[Anonymous. “Futurismo artistico. Manifesto.” Popolo di Sicilia, 29 nov 1930. [6842-1]]. https://collections.library.yale.edu/catalog/10659507.