Russian [or Bulgarian] article. “Marinetti and Futurism.” No source, [Mar 1933]. [6607-1]
MLA
Marinetti, F. T., 1876-1944. Russian [or Bulgarian] article. “Marinetti and Futurism.” No source, [Mar 1933]. [6607-1]. box 83, slide 67. 1933. https://collections.library.yale.edu/catalog/10659093.
APA, 6th edition
Marinetti, F. T., 1876-1944. (["box 83, slide 67"])(1933)[Russian [or Bulgarian] article. “Marinetti and Futurism.” No source, [Mar 1933]. [6607-1]]. https://collections.library.yale.edu/catalog/10659093.
