Cite

Ray Nyst. No title. No source. Article about Marinetti in French. [0289-1]

MLA

Marinetti, F. T., 1876-1944. Ray Nyst. No title. No source. Article about Marinetti in French. [0289-1]. box 4, slide 49. no date. https://collections.library.yale.edu/catalog/10648722.

APA, 6th edition

Marinetti, F. T., 1876-1944. (["box 4, slide 49"])(no date)[Ray Nyst. No title. No source. Article about Marinetti in French. [0289-1]]. https://collections.library.yale.edu/catalog/10648722.