Cite

Edgar Frederick Cox operating a telephone

MLA

Brady, Mathew B., approximately 1823-1896. Edgar Frederick Cox operating a telephone. Box 37, folder 1834-1835. 1849-circa 1956. https://collections.library.yale.edu/catalog/33109398.

APA, 6th edition

Brady, Mathew B., approximately 1823-1896. (["Box 37, folder 1834-1835"])(1849-circa 1956)[Edgar Frederick Cox operating a telephone]. https://collections.library.yale.edu/catalog/33109398.