Cite

46. Soldiers bathing at edge of lake.

MLA

Marinetti, F. T., 1876-1944. 46. Soldiers bathing at edge of lake.. Box 49, folder 1939. ca. 1917. https://collections.library.yale.edu/catalog/2008607.

APA, 6th edition

Marinetti, F. T., 1876-1944. (["Box 49, folder 1939"])(ca. 1917)[46. Soldiers bathing at edge of lake.]. https://collections.library.yale.edu/catalog/2008607.