MLA

Marinetti, F. T., 1876-1944. Anonymous. “La exposicion Francesa.” Ahora, Madrid, 21 apr 1933. [6116-1]-[6117-1]. box 77, slide 56-57. 1933. https://collections.library.yale.edu/catalog/10658297.

APA, 6th edition

Marinetti, F. T., 1876-1944. (["box 77, slide 56-57"])(1933)[Anonymous. “La exposicion Francesa.” Ahora, Madrid, 21 apr 1933. [6116-1]-[6117-1]]. https://collections.library.yale.edu/catalog/10658297.