MLA

Marinetti, F. T., 1876-1944. Anonymous. “Un 'collaudo' di Marinetti.” Corriere di Napoli, 26 nov 1938. [9589-1]. box 121, slide 9. 1938. https://collections.library.yale.edu/catalog/10664930.

APA, 6th edition

Marinetti, F. T., 1876-1944. (["box 121, slide 9"])(1938)[Anonymous. “Un 'collaudo' di Marinetti.” Corriere di Napoli, 26 nov 1938. [9589-1]]. https://collections.library.yale.edu/catalog/10664930.