MLA

Marinetti, F. T., 1876-1944. Filippo Tommaso Marinetti. "Macchina Lirica." La Gaceta Literaria. Feb 1928. [5572-1]. box 70, slide 72. 1928. https://collections.library.yale.edu/catalog/10657485.

APA, 6th edition

Marinetti, F. T., 1876-1944. (["box 70, slide 72"])(1928)[Filippo Tommaso Marinetti. "Macchina Lirica." La Gaceta Literaria. Feb 1928. [5572-1]]. https://collections.library.yale.edu/catalog/10657485.