Cite

Unsigned article. "Grido ai futuristi." No source. [05185-1]

MLA

Marinetti, F. T., 1876-1944. Unsigned article. "Grido ai futuristi." No source. [05185-1]. box 66, slide 6. no date. https://collections.library.yale.edu/catalog/10656875.

APA, 6th edition

Marinetti, F. T., 1876-1944. (["box 66, slide 6"])(no date)[Unsigned article. "Grido ai futuristi." No source. [05185-1]]. https://collections.library.yale.edu/catalog/10656875.