MLA

Marinetti, F. T., 1876-1944. Francesco Orestano. “Examen critique de Marinetti et du Futurisme.” La Phalange, [1936]. Deals in part with Marinetti's Poema Africano. [8591-1]. box 108, slide 51. 1936. https://collections.library.yale.edu/catalog/10662887.

APA, 6th edition

Marinetti, F. T., 1876-1944. (["box 108, slide 51"])(1936)[Francesco Orestano. “Examen critique de Marinetti et du Futurisme.” La Phalange, [1936]. Deals in part with Marinetti's Poema Africano. [8591-1]]. https://collections.library.yale.edu/catalog/10662887.