MLA

Marinetti, F. T., 1876-1944. S. Dessy. Drawing of Marinetti, 1921. [2574-1] ; Gino Gori. “Il teatro futurista.” Roma, 10 ago 1921. [2574-2] ; Four postcards. [2574-3]. box 33, slide 34. 1921. https://collections.library.yale.edu/catalog/10652476.

APA, 6th edition

Marinetti, F. T., 1876-1944. (["box 33, slide 34"])(1921)[S. Dessy. Drawing of Marinetti, 1921. [2574-1] ; Gino Gori. “Il teatro futurista.” Roma, 10 ago 1921. [2574-2] ; Four postcards. [2574-3]]. https://collections.library.yale.edu/catalog/10652476.