APA (7th ed.) Citation

DeBardeleben, J. (2005). Soft or hard borders?: Managing the divide in an enlarged Europe. Ashgate.

Chicago Style (17th ed.) Citation

DeBardeleben, Joan. Soft or Hard Borders?: Managing the Divide in an Enlarged Europe. Aldershot [etc.]: Ashgate, 2005.

MLA (9th ed.) Citation

DeBardeleben, Joan. Soft or Hard Borders?: Managing the Divide in an Enlarged Europe. Ashgate, 2005.