274. Sao Paolo, Brazil. Audience. Inscribed on verso in FTM's hand: "San Paolo Settembre 1936."
MLA
Marinetti, F. T., 1876-1944. 274. Sao Paolo, Brazil. Audience. Inscribed on verso in FTM's hand: "San Paolo Settembre 1936.". Box 51, folder 1955. 1936 Sep. https://collections.library.yale.edu/catalog/2009099.
APA, 6th edition
Marinetti, F. T., 1876-1944. (["Box 51, folder 1955"])(1936 Sep)[274. Sao Paolo, Brazil. Audience. Inscribed on verso in FTM's hand: "San Paolo Settembre 1936."]. https://collections.library.yale.edu/catalog/2009099.