MLA

Marinetti, F. T., 1876-1944. Anonymous. “Arte pittorica degli Etiopi e sue origini.” No source, 193[6]. Wth 3 illustrations. [8875-1]-[8876-1]. box 112, slide 15-16. 1936. https://collections.library.yale.edu/catalog/10663404.

APA, 6th edition

Marinetti, F. T., 1876-1944. (["box 112, slide 15-16"])(1936)[Anonymous. “Arte pittorica degli Etiopi e sue origini.” No source, 193[6]. Wth 3 illustrations. [8875-1]-[8876-1]]. https://collections.library.yale.edu/catalog/10663404.