MLA

Marinetti, F. T., 1876-1944. 12. Peschiera. Battaglione Lombardo Volontari Ciclisti. FTM (seated on ground) in group watching as one man dances. Boccioni also seated on ground.. Box 49, folder 1938. 1915 Aug-Sep. https://collections.library.yale.edu/catalog/2008578.

APA, 6th edition

Marinetti, F. T., 1876-1944. (["Box 49, folder 1938"])(1915 Aug-Sep)[12. Peschiera. Battaglione Lombardo Volontari Ciclisti. FTM (seated on ground) in group watching as one man dances. Boccioni also seated on ground.]. https://collections.library.yale.edu/catalog/2008578.