MLA

Marinetti, F. T., 1876-1944. Filippo Tommaso Marinetti. Untitled article on Depero, in Spanish. No source, [1922]. With 2 illustrations. [3042-1]-[3043-1]. box 39, slide 22-23. 1922. https://collections.library.yale.edu/catalog/10653455.

APA, 6th edition

Marinetti, F. T., 1876-1944. (["box 39, slide 22-23"])(1922)[Filippo Tommaso Marinetti. Untitled article on Depero, in Spanish. No source, [1922]. With 2 illustrations. [3042-1]-[3043-1]]. https://collections.library.yale.edu/catalog/10653455.