MLA

Marinetti, F. T., 1876-1944. Jose Gabriel. “Marinetti y el Futurismo en Preterito.” Caras y Caretas, 1926. [04891-1]. box 62, slide 31. 1926. https://collections.library.yale.edu/catalog/10656473.

APA, 6th edition

Marinetti, F. T., 1876-1944. (["box 62, slide 31"])(1926)[Jose Gabriel. “Marinetti y el Futurismo en Preterito.” Caras y Caretas, 1926. [04891-1]]. https://collections.library.yale.edu/catalog/10656473.