APA (7th ed.) Citation

Mayer, C., & Slippy, J. C. (1908). Telephone construction, methods and cost. The M.C. Clark publishing co..

Chicago Style (17th ed.) Citation

Mayer, Clarence, and John Clifford Slippy. Telephone Construction, Methods and Cost. Chicago, New York: The M.C. Clark publishing co., 1908.

MLA (9th ed.) Citation

Mayer, Clarence, and John Clifford Slippy. Telephone Construction, Methods and Cost. The M.C. Clark publishing co., 1908.