MLA

Marinetti, F. T., 1876-1944. Carl Lahm. “Bbb und Eee. Ein Tag aus dem Leben eines Gent.” No source, [1913]. With illustrations by Kandinsky, Ztreblo and Fasolini. [471-1]-[473-1]. box 6, slide 71-73. 1913. https://collections.library.yale.edu/catalog/10648990.

APA, 6th edition

Marinetti, F. T., 1876-1944. (["box 6, slide 71-73"])(1913)[Carl Lahm. “Bbb und Eee. Ein Tag aus dem Leben eines Gent.” No source, [1913]. With illustrations by Kandinsky, Ztreblo and Fasolini. [471-1]-[473-1]]. https://collections.library.yale.edu/catalog/10648990.