MLA

Marinetti, F. T., 1876-1944. Roland Belhuaire. “Deux Poètes. Nicolas Beauduin et F.T. Marinetti.” Lucifer, 1923. [2931-1]. box 37, slide 71. 1923. https://collections.library.yale.edu/catalog/10653232.

APA, 6th edition

Marinetti, F. T., 1876-1944. (["box 37, slide 71"])(1923)[Roland Belhuaire. “Deux Poètes. Nicolas Beauduin et F.T. Marinetti.” Lucifer, 1923. [2931-1]]. https://collections.library.yale.edu/catalog/10653232.