MLA

Marinetti, F. T., 1876-1944. Anonymous. “Saluto a Marinetti.” Mediterraneo Futurista, agosto 1942. With a photo of Marinetti. [10418-1]. box 131, slide 38. 1942. https://collections.library.yale.edu/catalog/10666629.

APA, 6th edition

Marinetti, F. T., 1876-1944. (["box 131, slide 38"])(1942)[Anonymous. “Saluto a Marinetti.” Mediterraneo Futurista, agosto 1942. With a photo of Marinetti. [10418-1]]. https://collections.library.yale.edu/catalog/10666629.