"Romanticismo Futurista", autograph manuscript play, signed on last page and accompanied by a cover letter to FTM, dated 2 Feb 1919 and signed at the bottom. 30 p., numbered [1]-25.
MLA
Marinetti, F. T., 1876-1944. "Romanticismo Futurista", autograph manuscript play, signed on last page and accompanied by a cover letter to FTM, dated 2 Feb 1919 and signed at the bottom. 30 p., numbered [1]-25.. Box 47, folder 1847. 1900-1961. https://collections.library.yale.edu/catalog/10597746.
APA, 6th edition
Marinetti, F. T., 1876-1944. (["Box 47, folder 1847"])(1900-1961)["Romanticismo Futurista", autograph manuscript play, signed on last page and accompanied by a cover letter to FTM, dated 2 Feb 1919 and signed at the bottom. 30 p., numbered [1]-25.]. https://collections.library.yale.edu/catalog/10597746.