MLA

Marinetti, F. T., 1876-1944. Umberto Boccioni. “Umberto Boccioni.” No source, [1932]. With 6 photos. [6760-1]-[6762-1]. box 85, slide 60-62. 1932. https://collections.library.yale.edu/catalog/10659366.

APA, 6th edition

Marinetti, F. T., 1876-1944. (["box 85, slide 60-62"])(1932)[Umberto Boccioni. “Umberto Boccioni.” No source, [1932]. With 6 photos. [6760-1]-[6762-1]]. https://collections.library.yale.edu/catalog/10659366.