MLA

Marinetti, F. T., 1876-1944. Anonymous. “La III-A Biennale Romana.” No source, 1925. In Polish. With Illustration by T. Slendzinski. [Partially Illegible Image] [3995-1]. box 51, slide 15. 1925. https://collections.library.yale.edu/catalog/10655061.

APA, 6th edition

Marinetti, F. T., 1876-1944. (["box 51, slide 15"])(1925)[Anonymous. “La III-A Biennale Romana.” No source, 1925. In Polish. With Illustration by T. Slendzinski. [Partially Illegible Image] [3995-1]]. https://collections.library.yale.edu/catalog/10655061.