APA (7th ed.) Citation

Butler, D., & Low, D. A. (1991). Sovereigns and surrogates: Constitutional heads of state in the Commonwealth. St. Martin's Press.

Chicago Style (17th ed.) Citation

Butler, David, and D. A. Low. Sovereigns and Surrogates: Constitutional Heads of State in the Commonwealth. New York: St. Martin's Press, 1991.

MLA (9th ed.) Citation

Butler, David, and D. A. Low. Sovereigns and Surrogates: Constitutional Heads of State in the Commonwealth. St. Martin's Press, 1991.