Anonymous. "Marinetti spricht Marinetti." No source, [1934]. With inscription by Marinetti at top of clipping: “Importantissimo.” [9113-4]
MLA
Anonymous. "Marinetti Spricht Marinetti." No Source, [1934]. With Inscription by Marinetti at Top of Clipping: “Importantissimo.” [9113-4]. 1934. https://collections.library.yale.edu/catalog/10663789.
APA, 6th edition
Anonymous. "Marinetti spricht Marinetti." No source, [1934]. With inscription by Marinetti at top of clipping: “Importantissimo.” [9113-4]. (1934). [Scrapbooks]. https://collections.library.yale.edu/catalog/10663789.