APA (7th ed.) Citation

Williams, R. (2011). Barcelona & Catalonia. Dorling Kindersley Limited.

Chicago Style (17th ed.) Citation

Williams, Roger. Barcelona & Catalonia. London: Dorling Kindersley Limited, 2011.

MLA (9th ed.) Citation

Williams, Roger. Barcelona & Catalonia. Dorling Kindersley Limited, 2011.