MLA

Marinetti, F. T., 1876-1944. Pierre Alexandre Guinle. “Tryptique Moderne.” Grande Revue, aout 1919. [1135-1]. box 15, slide 35. 1919. https://collections.library.yale.edu/catalog/10650197.

APA, 6th edition

Marinetti, F. T., 1876-1944. (["box 15, slide 35"])(1919)[Pierre Alexandre Guinle. “Tryptique Moderne.” Grande Revue, aout 1919. [1135-1]]. https://collections.library.yale.edu/catalog/10650197.