131. Excursion on mules. Riders at a quarry.
MLA
Marinetti, F. T., 1876-1944. 131. Excursion on mules. Riders at a quarry.. Box 49, folder 1943. August 1925. https://collections.library.yale.edu/catalog/2008676.
APA, 6th edition
Marinetti, F. T., 1876-1944. (["Box 49, folder 1943"])(August 1925)[131. Excursion on mules. Riders at a quarry.]. https://collections.library.yale.edu/catalog/2008676.