APA (7th ed.) Citation

Lewis, N. D., & Campbell, D. (1999). Promoting participation: Law or politics? Cavendish.

Chicago Style (17th ed.) Citation

Lewis, N. Douglas, and David Campbell. Promoting Participation: Law or Politics? London [etc.]: Cavendish, 1999.

MLA (9th ed.) Citation

Lewis, N. Douglas, and David Campbell. Promoting Participation: Law or Politics? Cavendish, 1999.