MLA

Marinetti, F. T., 1876-1944. 386. Padua. Display windows of the Menin hat shop with a Futurist painting [by Balla?] and a sign that reads: "Futurismo Concorso Marinetti." Inscribed on verso: "Vetrina della Ditta Menin a Padova.". Box 52, folder 1964. n.d.. https://collections.library.yale.edu/catalog/2009402.

APA, 6th edition

Marinetti, F. T., 1876-1944. (["Box 52, folder 1964"])(n.d.)[386. Padua. Display windows of the Menin hat shop with a Futurist painting [by Balla?] and a sign that reads: "Futurismo Concorso Marinetti." Inscribed on verso: "Vetrina della Ditta Menin a Padova."]. https://collections.library.yale.edu/catalog/2009402.