MLA

Marinetti, F. T., 1876-1944. Anonymous. “Marinetti. O paladino do futurismo fala a'O Brasil'.” O Brasil, 15 mag 1926. [4754-1]. box 60, slide 54. 1926. https://collections.library.yale.edu/catalog/10656270.

APA, 6th edition

Marinetti, F. T., 1876-1944. (["box 60, slide 54"])(1926)[Anonymous. “Marinetti. O paladino do futurismo fala a'O Brasil'.” O Brasil, 15 mag 1926. [4754-1]]. https://collections.library.yale.edu/catalog/10656270.