APA (7th ed.) Citation

Ortland, G. J. (1982). Telemarketing: High-profit telephone selling techniques. Wiley.

Chicago Style (17th ed.) Citation

Ortland, Gerald J. Telemarketing: High-profit Telephone Selling Techniques. New York: Wiley, 1982.

MLA (9th ed.) Citation

Ortland, Gerald J. Telemarketing: High-profit Telephone Selling Techniques. Wiley, 1982.