Cita APA (7a ed.)

Steel, V., & Welch, C. B. (1995). The future of information services. Haworth Press.

Cita Chicago Style (17a ed.)

Steel, Virginia, y C. Brigid Welch. The Future of Information Services. New York: Haworth Press, 1995.

Cita MLA (9a ed.)

Steel, Virginia, y C. Brigid Welch. The Future of Information Services. Haworth Press, 1995.