APA (7th ed.) Citation

Smith, S. F. (1974). Telephony and telegraphy A: An introduction to instruments and exchanges (step-by-step and common control) (2nd ed.). Oxford University Press.

Chicago Style (17th ed.) Citation

Smith, Sydney F. Telephony and Telegraphy A: An Introduction to Instruments and Exchanges (step-by-step and Common Control). 2nd ed. London: Oxford University Press, 1974.

MLA (9th ed.) Citation

Smith, Sydney F. Telephony and Telegraphy A: An Introduction to Instruments and Exchanges (step-by-step and Common Control). 2nd ed. Oxford University Press, 1974.