APA (7th ed.) Citation

Walker, N. d. (2004). Europe's area of freedom, security and justice. Oxford University Press.

Chicago Style (17th ed.) Citation

Walker, Neil derl. Europe's Area of Freedom, Security and Justice. Oxford: Oxford University Press, 2004.

MLA (9th ed.) Citation

Walker, Neil derl. Europe's Area of Freedom, Security and Justice. Oxford University Press, 2004.