69. Rome. FTM before Boccioni's Footballer (portrait photo). Photographer Scharankoff of Rome. Inscribed on verso: "Marinetti davanti il 'Footballer' di Boccioni."
MLA
Marinetti, F. T., 1876-1944. 69. Rome. FTM before Boccioni's Footballer (portrait photo). Photographer Scharankoff of Rome. Inscribed on verso: "Marinetti davanti il 'Footballer' di Boccioni.". Box 49, folder 1940. ca. 1925. https://collections.library.yale.edu/catalog/2008630.
APA, 6th edition
Marinetti, F. T., 1876-1944. (["Box 49, folder 1940"])(ca. 1925)[69. Rome. FTM before Boccioni's Footballer (portrait photo). Photographer Scharankoff of Rome. Inscribed on verso: "Marinetti davanti il 'Footballer' di Boccioni."]. https://collections.library.yale.edu/catalog/2008630.