APA (7th ed.) Citation

Scott, D. M., & Kobrin, D. L. (1979). "O" level British constitution (3. ed.). Butterworths.

Chicago Style (17th ed.) Citation

Scott, Dennis M., and D. L. Kobrin. "O" Level British Constitution. 3. ed. London: Butterworths, 1979.

MLA (9th ed.) Citation

Scott, Dennis M., and D. L. Kobrin. "O" Level British Constitution. 3. ed. Butterworths, 1979.