APA (7th ed.) Citation

(1989). Perspectives on the telephone industry: The challenge for the future. Harper & Row.

Chicago Style (17th ed.) Citation

Perspectives on the Telephone Industry: The Challenge for the Future. New York u.a: Harper & Row, 1989.

MLA (9th ed.) Citation

Perspectives on the Telephone Industry: The Challenge for the Future. Harper & Row, 1989.

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