APA (7th ed.) Citation

Knowles, J., & Thomas, P. A. (2009). Effective legal research (2nd ed.). Sweet & Maxwell.

Chicago Style (17th ed.) Citation

Knowles, John, and Phillip A. Thomas. Effective Legal Research. 2nd ed. London: Sweet & Maxwell, 2009.

MLA (9th ed.) Citation

Knowles, John, and Phillip A. Thomas. Effective Legal Research. 2nd ed. Sweet & Maxwell, 2009.