Cite

One page typewritten and bearing # 2. No source. [8851-1]

MLA

Marinetti, F. T., 1876-1944. One page typewritten and bearing # 2. No source. [8851-1]. box 111, slide 71. no date. https://collections.library.yale.edu/catalog/10663360.

APA, 6th edition

Marinetti, F. T., 1876-1944. (["box 111, slide 71"])(no date)[One page typewritten and bearing # 2. No source. [8851-1]]. https://collections.library.yale.edu/catalog/10663360.