APA (7th ed.) Citation

Kingsbury, J. E. (1972). The telephone and telephone exchanges: Their invention and development. Arno Pr.

Chicago Style (17th ed.) Citation

Kingsbury, John E. The Telephone and Telephone Exchanges: Their Invention and Development. New York: Arno Pr, 1972.

MLA (9th ed.) Citation

Kingsbury, John E. The Telephone and Telephone Exchanges: Their Invention and Development. Arno Pr, 1972.

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