APA (7th ed.) Citation

Page, A. W. (1941). The Bell telephone system (3. ed.). Harper.

Chicago Style (17th ed.) Citation

Page, Arthur W. The Bell Telephone System. 3. ed. New York, NY [u.a.]: Harper, 1941.

MLA (9th ed.) Citation

Page, Arthur W. The Bell Telephone System. 3. ed. Harper, 1941.