MLA

Marinetti, F. T., 1876-1944. Invitation to Marinetti's conferenza at Accademia Ungherese, 25 aprile 1933. [6538-1]. box 82, slide 78. 1933. https://collections.library.yale.edu/catalog/10658990.

APA, 6th edition

Marinetti, F. T., 1876-1944. (["box 82, slide 78"])(1933)[Invitation to Marinetti's conferenza at Accademia Ungherese, 25 aprile 1933. [6538-1]]. https://collections.library.yale.edu/catalog/10658990.