APA (7th ed.) Citation

Vickery, B. C., & Vickery, A. (1987). Information science in theory and practice. Butterworths.

Chicago Style (17th ed.) Citation

Vickery, B. C., and A. Vickery. Information Science in Theory and Practice. London: Butterworths, 1987.

MLA (9th ed.) Citation

Vickery, B. C., and A. Vickery. Information Science in Theory and Practice. Butterworths, 1987.

Warning: These citations may not always be 100% accurate.