MLA

Marinetti, F. T., 1876-1944. Anonymous. “Depero al Teatro Olimpia a Cremona.” Il Brennero-Trento, 30 nov. 1932. [6055-1]. box 76, slide 75. no date. https://collections.library.yale.edu/catalog/10658159.

APA, 6th edition

Marinetti, F. T., 1876-1944. (["box 76, slide 75"])(no date)[Anonymous. “Depero al Teatro Olimpia a Cremona.” Il Brennero-Trento, 30 nov. 1932. [6055-1]]. https://collections.library.yale.edu/catalog/10658159.