MLA

Marinetti, F. T., 1876-1944. Unsigned article. “L'Art expressionniste.” Revue Mondiale, 1 mai 1920. [1998-1]. box 26, slide 18. 1920. https://collections.library.yale.edu/catalog/10651506.

APA, 6th edition

Marinetti, F. T., 1876-1944. (["box 26, slide 18"])(1920)[Unsigned article. “L'Art expressionniste.” Revue Mondiale, 1 mai 1920. [1998-1]]. https://collections.library.yale.edu/catalog/10651506.