APA (7th ed.) Citation

Bowker-Saur, Hartley, R. J., Keen, E. M., Large, J. A., & Tedd, L. A. (1990). Online searching: Principles and practice. Bowker-Saur.

Chicago Style (17th ed.) Citation

Bowker-Saur, R. J. Hartley, E. M. Keen, J. A. Large, and Lucy A. Tedd. Online Searching: Principles and Practice. London: Bowker-Saur, 1990.

MLA (8th ed.) Citation

Bowker-Saur, et al. Online Searching: Principles and Practice. Bowker-Saur, 1990.