Cite

Anonymous. “Avanguardia italiana e teatro russo.” No source, [1925]. [4108-1]

MLA

Marinetti, F. T., 1876-1944. Anonymous. “Avanguardia italiana e teatro russo.” No source, [1925]. [4108-1]. box 52, slide 48. 1925. https://collections.library.yale.edu/catalog/10655240.

APA, 6th edition

Marinetti, F. T., 1876-1944. (["box 52, slide 48"])(1925)[Anonymous. “Avanguardia italiana e teatro russo.” No source, [1925]. [4108-1]]. https://collections.library.yale.edu/catalog/10655240.