425. Artist unknown. FTM's profile superimposed on an aerial view (painting). Postcard.
MLA
Marinetti, F. T., 1876-1944. 425. Artist unknown. FTM's profile superimposed on an aerial view (painting). Postcard.. Box 52, folder 1968. 1888-1944. https://collections.library.yale.edu/catalog/2009734.
APA, 6th edition
Marinetti, F. T., 1876-1944. (["Box 52, folder 1968"])(1888-1944)[425. Artist unknown. FTM's profile superimposed on an aerial view (painting). Postcard.]. https://collections.library.yale.edu/catalog/2009734.