Filippo Tommaso Marinetti. "Geometric and Mechanical Splendour in Words in Liberty." The New Age, 7 May 1914. [00621-1] ; Partial reproduction of a poster for a conference by Marinetti in Russia. No date. [00621-2]
MLA
Marinetti, F. T., 1876-1944. Filippo Tommaso Marinetti. "Geometric and Mechanical Splendour in Words in Liberty." The New Age, 7 May 1914. [00621-1] ; Partial reproduction of a poster for a conference by Marinetti in Russia. No date. [00621-2]. box 8, slide 61. 1914. https://collections.library.yale.edu/catalog/10649192.
APA, 6th edition
Marinetti, F. T., 1876-1944. (["box 8, slide 61"])(1914)[Filippo Tommaso Marinetti. "Geometric and Mechanical Splendour in Words in Liberty." The New Age, 7 May 1914. [00621-1] ; Partial reproduction of a poster for a conference by Marinetti in Russia. No date. [00621-2]]. https://collections.library.yale.edu/catalog/10649192.
