MLA

Marinetti, F. T., 1876-1944. Filippo Tommaso Marinetti and Fillia. “L'arte sacra futurista.” No source, 11 giugno 1931. With corrections. [10621-1]-[10622-1]. box 134, slide 1-2. 1931. https://collections.library.yale.edu/catalog/10666847.

APA, 6th edition

Marinetti, F. T., 1876-1944. (["box 134, slide 1-2"])(1931)[Filippo Tommaso Marinetti and Fillia. “L'arte sacra futurista.” No source, 11 giugno 1931. With corrections. [10621-1]-[10622-1]]. https://collections.library.yale.edu/catalog/10666847.