Cite

Anonymous. “Fillia.” No source, [1935]. [7147-1]-[7148-1]

MLA

Marinetti, F. T., 1876-1944. Anonymous. “Fillia.” No source, [1935]. [7147-1]-[7148-1]. box 90, slide 47-48. 1935. https://collections.library.yale.edu/catalog/10660019.

APA, 6th edition

Marinetti, F. T., 1876-1944. (["box 90, slide 47-48"])(1935)[Anonymous. “Fillia.” No source, [1935]. [7147-1]-[7148-1]]. https://collections.library.yale.edu/catalog/10660019.