APA (7th ed.) Citation

Gordon, P. D., & Gray, S. J. (1994). United Kingdom. Routledge.

Chicago Style (17th ed.) Citation

Gordon, Paul D., and Sidney J. Gray. United Kingdom. London ; New York: Routledge, 1994.

MLA (9th ed.) Citation

Gordon, Paul D., and Sidney J. Gray. United Kingdom. Routledge, 1994.