Cite

202. FTM and BCM in front of a pyramid.

MLA

Marinetti, F. T., 1876-1944. 202. FTM and BCM in front of a pyramid.. Box 50, folder 1950. ca. 1933. https://collections.library.yale.edu/catalog/2008931.

APA, 6th edition

Marinetti, F. T., 1876-1944. (["Box 50, folder 1950"])(ca. 1933)[202. FTM and BCM in front of a pyramid.]. https://collections.library.yale.edu/catalog/2008931.