MLA

Marinetti, F. T., 1876-1944. Invitation in Italian, English and German: An evening exhibition of Futuristic art, Apr 18, 1934. Fascist Cultural Association, Rapallo. [5456-1]. box 69, slide 36. 1934. https://collections.library.yale.edu/catalog/10657312.

APA, 6th edition

Marinetti, F. T., 1876-1944. (["box 69, slide 36"])(1934)[Invitation in Italian, English and German: An evening exhibition of Futuristic art, Apr 18, 1934. Fascist Cultural Association, Rapallo. [5456-1]]. https://collections.library.yale.edu/catalog/10657312.