MLA

Life Saving Devices Company, Sanderland, Paul (Danbury, CT). The Lungmotor. Box 014. ca. 1919. https://collections.library.yale.edu/catalog/17318641.

APA, 6th edition

Life Saving Devices Company, & Sanderland, Paul (Danbury, CT). (["Box 014"])(ca. 1919)[The Lungmotor]. https://collections.library.yale.edu/catalog/17318641.