MLA

Marinetti, F. T., 1876-1944. Autograph manuscript notes for La Battaglia di Capri. 40 p., of varying sizes. Box 19, folder 1202. 1895-1944. https://collections.library.yale.edu/catalog/16687017.

APA, 6th edition

Marinetti, F. T., 1876-1944. (["Box 19, folder 1202"])(1895-1944)[Autograph manuscript notes for La Battaglia di Capri. 40 p., of varying sizes]. https://collections.library.yale.edu/catalog/16687017.