MLA

Marinetti, F. T., 1876-1944. Francesco Nicosia. “Il Futurismo sul piedestallo.” No source, [1937]. [9747-1]. box 123, slide 7. 1938. https://collections.library.yale.edu/catalog/10665264.

APA, 6th edition

Marinetti, F. T., 1876-1944. (["box 123, slide 7"])(1938)[Francesco Nicosia. “Il Futurismo sul piedestallo.” No source, [1937]. [9747-1]]. https://collections.library.yale.edu/catalog/10665264.