Earl, R. A. J. (1983). The development of the telephone in Oxford, 1877-1977 / by R.A.J. Earl (2nd ed.). Designed and printed by BT Reprographics for the British Telecom Museum.
Chicago Style (17th ed.) CitationEarl, R. A. J. The Development of the Telephone in Oxford, 1877-1977 / by R.A.J. Earl. 2nd ed. Oxford: Designed and printed by BT Reprographics for the British Telecom Museum, 1983.
MLA (9th ed.) CitationEarl, R. A. J. The Development of the Telephone in Oxford, 1877-1977 / by R.A.J. Earl. 2nd ed. Designed and printed by BT Reprographics for the British Telecom Museum, 1983.
Warning: These citations may not always be 100% accurate.