MLA

Marinetti, F. T., 1876-1944. Cipriano Oppo. "Splendore e decadenza della plastica futurista!" No source. [05013-1]-[05017-1]. box 63, slide 73-77. no date. https://collections.library.yale.edu/catalog/10656642.

APA, 6th edition

Marinetti, F. T., 1876-1944. (["box 63, slide 73-77"])(no date)[Cipriano Oppo. "Splendore e decadenza della plastica futurista!" No source. [05013-1]-[05017-1]]. https://collections.library.yale.edu/catalog/10656642.