MLA

Marinetti, F. T., 1876-1944. Original project for cover of Le Journal, édition de 5, dedicated to S.E. Marinetti. Watercolor, crayons and typographic layout. [1935]. [7938-1]. box 100, slide 38. 1935. https://collections.library.yale.edu/catalog/10661601.

APA, 6th edition

Marinetti, F. T., 1876-1944. (["box 100, slide 38"])(1935)[Original project for cover of Le Journal, édition de 5, dedicated to S.E. Marinetti. Watercolor, crayons and typographic layout. [1935]. [7938-1]]. https://collections.library.yale.edu/catalog/10661601.