MLA

Palmquist, Peter E. (1936-2003). Bradley & Rulofson. Box 355. circa 1840-2003. https://collections.library.yale.edu/catalog/10604266.

APA, 6th edition

Palmquist, Peter E. (1936-2003). (["Box 355"])(circa 1840-2003)[Bradley & Rulofson]. https://collections.library.yale.edu/catalog/10604266.