42. Dead man hanging in a tree.
MLA
Marinetti, F. T., 1876-1944. 42. Dead man hanging in a tree.. Box 49, folder 1939. ca. 1917. https://collections.library.yale.edu/catalog/2008604.
APA, 6th edition
Marinetti, F. T., 1876-1944. (["Box 49, folder 1939"])(ca. 1917)[42. Dead man hanging in a tree.]. https://collections.library.yale.edu/catalog/2008604.