Anonymous. “Lettera di Marinetti.” Politiken, 7 agosto 1931. [7541-1]
MLA
Anonymous. “Lettera Di Marinetti.” Politiken, 7 Agosto 1931. [7541-1]. 1931. https://collections.library.yale.edu/catalog/10660687.
APA, 6th edition
Anonymous. “Lettera di Marinetti.” Politiken, 7 agosto 1931. [7541-1]. (1931). [Scrapbooks]. https://collections.library.yale.edu/catalog/10660687.