APA (7th ed.) Citation

Campbell, S. (2011). A liberal peace?: The problems and practices of peacebuilding. Zed Books.

Chicago Style (17th ed.) Citation

Campbell, Susanna. A Liberal Peace?: The Problems and Practices of Peacebuilding. London [u.a.]: Zed Books, 2011.

MLA (9th ed.) Citation

Campbell, Susanna. A Liberal Peace?: The Problems and Practices of Peacebuilding. Zed Books, 2011.

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