Cite

Mario Labroca. “Musical Life in Italy.” No source, [1927]. [4688-1]

MLA

Marinetti, F. T., 1876-1944. Mario Labroca. “Musical Life in Italy.” No source, [1927]. [4688-1]. box 59, slide 68. 1927. https://collections.library.yale.edu/catalog/10656160.

APA, 6th edition

Marinetti, F. T., 1876-1944. (["box 59, slide 68"])(1927)[Mario Labroca. “Musical Life in Italy.” No source, [1927]. [4688-1]]. https://collections.library.yale.edu/catalog/10656160.