APA (7th ed.) Citation

Bowker-Saur, Vickery, A., & Vickery, B. (1989). Information science in theoty and practice. Bowker-Saur.

Chicago Style (17th ed.) Citation

Bowker-Saur, A. Vickery, and Brian Vickery. Information Science in Theoty and Practice. London: Bowker-Saur, 1989.

MLA (8th ed.) Citation

Bowker-Saur, et al. Information Science in Theoty and Practice. Bowker-Saur, 1989.