MLA

Marinetti, F. T., 1876-1944. Unsigned article. “L'On. Salandra in un discorso a Venezia... verso la citta e regioni...” No source. [1176-1]. box 15, slide 76. no date. https://collections.library.yale.edu/catalog/10650283.

APA, 6th edition

Marinetti, F. T., 1876-1944. (["box 15, slide 76"])(no date)[Unsigned article. “L'On. Salandra in un discorso a Venezia... verso la citta e regioni...” No source. [1176-1]]. https://collections.library.yale.edu/catalog/10650283.