MLA

Marinetti, F. T., 1876-1944. "Théâtre mirlitonesque", the title of some proofs, with many corrections. The last page pasted to the verso of the title-page of La Revue Blanche vol. XXI, 1900. 13 p.. Box 47, folder 1873. 1900-1961. https://collections.library.yale.edu/catalog/16687062.

APA, 6th edition

Marinetti, F. T., 1876-1944. (["Box 47, folder 1873"])(1900-1961)["Théâtre mirlitonesque", the title of some proofs, with many corrections. The last page pasted to the verso of the title-page of La Revue Blanche vol. XXI, 1900. 13 p.]. https://collections.library.yale.edu/catalog/16687062.