Information science in theory and practice
MLA
Vickery, B. C, and A Vickery. Information Science In Theory and Practice. London: Butterworths, 1987
APA, 7th edition
Vickery, B. C, & Vickery, A. (1987). Information science in theory and practice. London: Butterworths
Chicago, 17th edition
Vickery, B. C., and A Vickery. Information science in theory and practice. London: Butterworths, 1987