Cita APA (7a ed.)

Kinder, R., & Katz, B. (1988). Information brokers and reference services. Haworth.

Cita Chicago Style (17a ed.)

Kinder, Robin, y Bill Katz. Information Brokers and Reference Services. New York [etc.]: Haworth, 1988.

Cita MLA (9a ed.)

Kinder, Robin, y Bill Katz. Information Brokers and Reference Services. Haworth, 1988.