Cite

Anonymous. “Il Poema africano.” No source, [1937]. [9358-1]

MLA

Marinetti, F. T., 1876-1944. Anonymous. “Il Poema africano.” No source, [1937]. [9358-1]. box 118, slide 18. 1937. https://collections.library.yale.edu/catalog/10664321.

APA, 6th edition

Marinetti, F. T., 1876-1944. (["box 118, slide 18"])(1937)[Anonymous. “Il Poema africano.” No source, [1937]. [9358-1]]. https://collections.library.yale.edu/catalog/10664321.