APA (7th ed.) Citation

Stevens, I. N., & Yardley, D. C. M. (1982). The protection of liberty. Blackwell.

Chicago Style (17th ed.) Citation

Stevens, I. N., and D. C. M. Yardley. The Protection of Liberty. Oxford: Blackwell, 1982.

MLA (9th ed.) Citation

Stevens, I. N., and D. C. M. Yardley. The Protection of Liberty. Blackwell, 1982.