Cite

Kurt Schwitters. “Die Zwiebel.” Der Sturm, Oct 1919. [1597-1]-[1598-1]

MLA

Marinetti, F. T., 1876-1944. Kurt Schwitters. “Die Zwiebel.” Der Sturm, Oct 1919. [1597-1]-[1598-1]. box 21, slide 17-18. 1919. https://collections.library.yale.edu/catalog/10650834.

APA, 6th edition

Marinetti, F. T., 1876-1944. (["box 21, slide 17-18"])(1919)[Kurt Schwitters. “Die Zwiebel.” Der Sturm, Oct 1919. [1597-1]-[1598-1]]. https://collections.library.yale.edu/catalog/10650834.