APA Edition Citation

Herbert, T. E., & Procter, W. S. (1964). Telephony.

Chicago Edition Citation

Herbert, T. E., and W. S. Procter. Telephony. 1964.

MLA Edition Citation

Herbert, T. E., and W. S. Procter. Telephony. 1964.

Warning: These citations may not always be 100% accurate.