APA (7th ed.) Citation

Wilken, S., & Villiers, T. (2002). Wilken and Villiers the law of waiver, variation, and estoppel (2nd ed.). Oxford University Press.

Chicago Style (17th ed.) Citation

Wilken, Sean, and Theresa Villiers. Wilken and Villiers the Law of Waiver, Variation, and Estoppel. 2nd ed. London ; New York: Oxford University Press, 2002.

MLA (9th ed.) Citation

Wilken, Sean, and Theresa Villiers. Wilken and Villiers the Law of Waiver, Variation, and Estoppel. 2nd ed. Oxford University Press, 2002.