MLA

Marinetti, F. T., 1876-1944. Poster announcing the Futurist conference held at the Teatro Casino Antarctica. 1926. [04790-1]. box 61, slide 10. 1926. https://collections.library.yale.edu/catalog/10656313.

APA, 6th edition

Marinetti, F. T., 1876-1944. (["box 61, slide 10"])(1926)[Poster announcing the Futurist conference held at the Teatro Casino Antarctica. 1926. [04790-1]]. https://collections.library.yale.edu/catalog/10656313.