MLA

Marinetti, F. T., 1876-1944. F. Azari, futurista. “La Flora futurista, Manifesto futurista.” L'Antenna, 1925. [4109-1]. box 52, slide 49. 1925. https://collections.library.yale.edu/catalog/10655241.

APA, 6th edition

Marinetti, F. T., 1876-1944. (["box 52, slide 49"])(1925)[F. Azari, futurista. “La Flora futurista, Manifesto futurista.” L'Antenna, 1925. [4109-1]]. https://collections.library.yale.edu/catalog/10655241.