MLA

Rudge, Olga, 1895-1996. "Capri 1921" (includes Olga Rudge, Renata Borgatti, Maria Favai, Lindy Shaw-Paige, and others). Box 148, folder 3467. 1921, n.d.. https://collections.library.yale.edu/catalog/10616822.

APA, 6th edition

Rudge, Olga, 1895-1996. (["Box 148, folder 3467"])(1921, n.d.)["Capri 1921" (includes Olga Rudge, Renata Borgatti, Maria Favai, Lindy Shaw-Paige, and others)]. https://collections.library.yale.edu/catalog/10616822.