APA (7th ed.) Citation

O'Brian, P. (2005). The Catalans. W.W. Norton and Company.

Chicago Style (17th ed.) Citation

O'Brian, Patrick. The Catalans. New York: W.W. Norton and Company, 2005.

MLA (9th ed.) Citation

O'Brian, Patrick. The Catalans. W.W. Norton and Company, 2005.

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