MLA

Marinetti, F. T., 1876-1944. Anonymous. “Nuovissima Tremenda Geografia di Paneroni. Copernico e Galileo sbagliarono.” No source. Deals with the cosmos. [3315-1]. box 42, slide 55. no date. https://collections.library.yale.edu/catalog/10653915.

APA, 6th edition

Marinetti, F. T., 1876-1944. (["box 42, slide 55"])(no date)[Anonymous. “Nuovissima Tremenda Geografia di Paneroni. Copernico e Galileo sbagliarono.” No source. Deals with the cosmos. [3315-1]]. https://collections.library.yale.edu/catalog/10653915.