MLA

Marinetti, F. T., 1876-1944. 257. FTM with a group of officers. Inscribed on verso in LMB's hand: "FTM with Badoglio.". Box 51, folder 1954. 1935 October - 1936 April. https://collections.library.yale.edu/catalog/2009083.

APA, 6th edition

Marinetti, F. T., 1876-1944. (["Box 51, folder 1954"])(1935 October - 1936 April)[257. FTM with a group of officers. Inscribed on verso in LMB's hand: "FTM with Badoglio."]. https://collections.library.yale.edu/catalog/2009083.