MLA

Marinetti, F. T., 1876-1944. Part of article in Noi e il mondo, relating the Futurist evening with 3 caricatures. [2509-1]. box 32, slide 49. no date. https://collections.library.yale.edu/catalog/10652336.

APA, 6th edition

Marinetti, F. T., 1876-1944. (["box 32, slide 49"])(no date)[Part of article in Noi e il mondo, relating the Futurist evening with 3 caricatures. [2509-1]]. https://collections.library.yale.edu/catalog/10652336.