MLA

Marinetti, F. T., 1876-1944. Filippo Tommaso Marinetti. "Battaglie Futuriste." No source. With aphorisms by Marinetti. [05095-1]. box 64, slide 75. no date. https://collections.library.yale.edu/catalog/10656741.

APA, 6th edition

Marinetti, F. T., 1876-1944. (["box 64, slide 75"])(no date)[Filippo Tommaso Marinetti. "Battaglie Futuriste." No source. With aphorisms by Marinetti. [05095-1]]. https://collections.library.yale.edu/catalog/10656741.