APA (7th ed.) Citation

Simpson, D. (1999). Pressure groups / David Simpson. Hodder & Stoughton.

Chicago Style (17th ed.) Citation

Simpson, David. Pressure Groups / David Simpson. London: Hodder & Stoughton, 1999.

MLA (9th ed.) Citation

Simpson, David. Pressure Groups / David Simpson. Hodder & Stoughton, 1999.

Warning: These citations may not always be 100% accurate.