MLA

Marinetti, F. T., 1876-1944. Nine more clippings in Polish about Marinetti and Futurism in Poland. [March 1933]. [6604-1]. box 83, slide 64. 1933. https://collections.library.yale.edu/catalog/10659090.

APA, 6th edition

Marinetti, F. T., 1876-1944. (["box 83, slide 64"])(1933)[Nine more clippings in Polish about Marinetti and Futurism in Poland. [March 1933]. [6604-1]]. https://collections.library.yale.edu/catalog/10659090.