APA (7th ed.) Citation

Warnken, K. (1981). The information brokers: How to start and operate your own fee-based service. Bowker.

Chicago Style (17th ed.) Citation

Warnken, Kelly. The Information Brokers: How to Start and Operate Your Own Fee-based Service. New York: Bowker, 1981.

MLA (9th ed.) Citation

Warnken, Kelly. The Information Brokers: How to Start and Operate Your Own Fee-based Service. Bowker, 1981.