MLA

Marinetti, F. T., 1876-1944. 323. Turin?. FTM greeting audience on a theatre stage with other people. Photo processed in Turin.. Box 51, folder 1959. n.d.. https://collections.library.yale.edu/catalog/2009151.

APA, 6th edition

Marinetti, F. T., 1876-1944. (["Box 51, folder 1959"])(n.d.)[323. Turin?. FTM greeting audience on a theatre stage with other people. Photo processed in Turin.]. https://collections.library.yale.edu/catalog/2009151.