APA (7th ed.) Citation

Philip, A. B., & Gray, O. (1996). Directory of pressure groups in the EU (2nd ed.). Cartermill.

Chicago Style (17th ed.) Citation

Philip, Alan Butt, and Oliver Gray. Directory of Pressure Groups in the EU. 2nd ed. London, U.K.: Cartermill, 1996.

MLA (9th ed.) Citation

Philip, Alan Butt, and Oliver Gray. Directory of Pressure Groups in the EU. 2nd ed. Cartermill, 1996.