Cite

Roberto Rivera. "Los Revolucionarios." No source. [05104-1]

MLA

Marinetti, F. T., 1876-1944. Roberto Rivera. "Los Revolucionarios." No source. [05104-1]. box 65, slide 4. no date. https://collections.library.yale.edu/catalog/10656752.

APA, 6th edition

Marinetti, F. T., 1876-1944. (["box 65, slide 4"])(no date)[Roberto Rivera. "Los Revolucionarios." No source. [05104-1]]. https://collections.library.yale.edu/catalog/10656752.