Cite

Same as 8419. [8420-1]

MLA

Marinetti, F. T., 1876-1944. Same as 8419. [8420-1]. box 106, slide 40. 1936. https://collections.library.yale.edu/catalog/10662550.

APA, 6th edition

Marinetti, F. T., 1876-1944. (["box 106, slide 40"])(1936)[Same as 8419. [8420-1]]. https://collections.library.yale.edu/catalog/10662550.