MLA

Marinetti, F. T., 1876-1944. Four telegrams to Marinetti in Italy after his Ethiopian adventures. [1936]. [8171-1]-[8172-1]. box 103, slide 31-32. 1936. https://collections.library.yale.edu/catalog/10662038.

APA, 6th edition

Marinetti, F. T., 1876-1944. (["box 103, slide 31-32"])(1936)[Four telegrams to Marinetti in Italy after his Ethiopian adventures. [1936]. [8171-1]-[8172-1]]. https://collections.library.yale.edu/catalog/10662038.