APA (7th ed.) Citation

Williams, R. (2003). Barcelona & Catalonia (Rev. ed.). DK Pub..

Chicago Style (17th ed.) Citation

Williams, Roger. Barcelona & Catalonia. Rev. ed. New York: DK Pub., 2003.

MLA (9th ed.) Citation

Williams, Roger. Barcelona & Catalonia. Rev. ed. DK Pub., 2003.