MLA

Marinetti, F. T., 1876-1944. Poster entitled "Viva Marinetti, nostro capo. Viva il Futurismo Italianissimo." No source. [04929-1]. box 62, slide 69. no date. https://collections.library.yale.edu/catalog/10656533.

APA, 6th edition

Marinetti, F. T., 1876-1944. (["box 62, slide 69"])(no date)[Poster entitled "Viva Marinetti, nostro capo. Viva il Futurismo Italianissimo." No source. [04929-1]]. https://collections.library.yale.edu/catalog/10656533.