249. FTM speaking and gesturing.
MLA
Marinetti, F. T., 1876-1944. 249. FTM speaking and gesturing.. Box 51, folder 1954. 1935 October - 1936 April. https://collections.library.yale.edu/catalog/2009076.
APA, 6th edition
Marinetti, F. T., 1876-1944. (["Box 51, folder 1954"])(1935 October - 1936 April)[249. FTM speaking and gesturing.]. https://collections.library.yale.edu/catalog/2009076.