335. Warsaw. FTM seated at a banquet of the P.E.N. club. Inscribed on verso: "Banchetta all Pen Club Varsawa?." Photo processed in Warsaw.
MLA
Marinetti, F. T., 1876-1944. 335. Warsaw. FTM seated at a banquet of the P.E.N. club. Inscribed on verso: "Banchetta all Pen Club Varsawa?." Photo processed in Warsaw.. Box 51, folder 1960. n.d.. https://collections.library.yale.edu/catalog/2009162.
APA, 6th edition
Marinetti, F. T., 1876-1944. (["Box 51, folder 1960"])(n.d.)[335. Warsaw. FTM seated at a banquet of the P.E.N. club. Inscribed on verso: "Banchetta all Pen Club Varsawa?." Photo processed in Warsaw.]. https://collections.library.yale.edu/catalog/2009162.