Cite

Leone Kochnitzky. Poetic text. No source. [2125-1]

MLA

Marinetti, F. T., 1876-1944. Leone Kochnitzky. Poetic text. No source. [2125-1]. box 27, slide 65. no date. https://collections.library.yale.edu/catalog/10651660.

APA, 6th edition

Marinetti, F. T., 1876-1944. (["box 27, slide 65"])(no date)[Leone Kochnitzky. Poetic text. No source. [2125-1]]. https://collections.library.yale.edu/catalog/10651660.