304. FTM, in uniform, watching another man speak at a Futurist meeting. Prampolini is at the far left.
MLA
Marinetti, F. T., 1876-1944. 304. FTM, in uniform, watching another man speak at a Futurist meeting. Prampolini is at the far left.. Box 51, folder 1957. 1941 Winter. https://collections.library.yale.edu/catalog/2009132.
APA, 6th edition
Marinetti, F. T., 1876-1944. (["Box 51, folder 1957"])(1941 Winter)[304. FTM, in uniform, watching another man speak at a Futurist meeting. Prampolini is at the far left.]. https://collections.library.yale.edu/catalog/2009132.