MLA

Harvey, Samuel Clark (1886-1953), The American Vibrator Company. The Tonjes Aero-Vibrant. Box 028. ca. early 20th century. https://collections.library.yale.edu/catalog/17316662.

APA, 6th edition

Harvey, Samuel Clark (1886-1953), & The American Vibrator Company. (["Box 028"])(ca. early 20th century)[The Tonjes Aero-Vibrant]. https://collections.library.yale.edu/catalog/17316662.