MLA

Rudge, Olga, 1895-1996. Scheiwiller, Vanni; Segovia, Andrés, with Adlai Stevenson; Singh, G.; Sokh[ard], Corso. Box 152, folder 3564. 1948, 1952, 1961, 1977, 1982, undated. https://collections.library.yale.edu/catalog/2026792.

APA, 6th edition

Rudge, Olga, 1895-1996. (["Box 152, folder 3564"])(1948, 1952, 1961, 1977, 1982, undated)[Scheiwiller, Vanni; Segovia, Andrés, with Adlai Stevenson; Singh, G.; Sokh[ard], Corso]. https://collections.library.yale.edu/catalog/2026792.