MLA

Marinetti, F. T., 1876-1944. Aldo Raciti. “F.T. Marinetti.” No source, Siracusa, 9 aprile 1921. Signed by Raciti with a note to Marinetti. [2576-1]. box 33, slide 36. 1921. https://collections.library.yale.edu/catalog/10652479.

APA, 6th edition

Marinetti, F. T., 1876-1944. (["box 33, slide 36"])(1921)[Aldo Raciti. “F.T. Marinetti.” No source, Siracusa, 9 aprile 1921. Signed by Raciti with a note to Marinetti. [2576-1]]. https://collections.library.yale.edu/catalog/10652479.