MLA

Marinetti, F. T., 1876-1944. Filippo Tommaso Marinetti. “Wir werden es wiederobern.” Mediterraneo Futurista, Nov 1942. In German. [10426-1]. box 131, slide 46. 1942. https://collections.library.yale.edu/catalog/10666641.

APA, 6th edition

Marinetti, F. T., 1876-1944. (["box 131, slide 46"])(1942)[Filippo Tommaso Marinetti. “Wir werden es wiederobern.” Mediterraneo Futurista, Nov 1942. In German. [10426-1]]. https://collections.library.yale.edu/catalog/10666641.