APA (7th ed.) Citation

Katz, W. A. (1988). Information brokers and reference services. Haworth Press.

Chicago Style (17th ed.) Citation

Katz, William A. Information Brokers and Reference Services. New York: Haworth Press, 1988.

MLA (9th ed.) Citation

Katz, William A. Information Brokers and Reference Services. Haworth Press, 1988.