MLA

Marinetti, F. T., 1876-1944. Konrad Lucki. “Balet szwedzki w Paryzu.” Wiadomosci Literackie, [1925]. [3957-1]. box 50, slide 57. 1925. https://collections.library.yale.edu/catalog/10654995.

APA, 6th edition

Marinetti, F. T., 1876-1944. (["box 50, slide 57"])(1925)[Konrad Lucki. “Balet szwedzki w Paryzu.” Wiadomosci Literackie, [1925]. [3957-1]]. https://collections.library.yale.edu/catalog/10654995.