MLA

Marinetti, F. T., 1876-1944. Anonymous. “Il Fascismo cagliaritano tutto presente al Politeama.” Unione Sarda, 18 feb 1938. [9443-1]. box 119, slide 23. 1938. https://collections.library.yale.edu/catalog/10664578.

APA, 6th edition

Marinetti, F. T., 1876-1944. (["box 119, slide 23"])(1938)[Anonymous. “Il Fascismo cagliaritano tutto presente al Politeama.” Unione Sarda, 18 feb 1938. [9443-1]]. https://collections.library.yale.edu/catalog/10664578.