Cite

256. FTM being introduced.

MLA

Marinetti, F. T., 1876-1944. 256. FTM being introduced.. Box 51, folder 1954. 1935 October - 1936 April. https://collections.library.yale.edu/catalog/2009082.

APA, 6th edition

Marinetti, F. T., 1876-1944. (["Box 51, folder 1954"])(1935 October - 1936 April)[256. FTM being introduced.]. https://collections.library.yale.edu/catalog/2009082.