APA (7th ed.) Citation

DK Publishing, Inc. (2008). Complete flags of the world. Dowling Kindersley.

Chicago Style (17th ed.) Citation

DK Publishing, Inc. Complete Flags of the World. London: Dowling Kindersley, 2008.

MLA (9th ed.) Citation

DK Publishing, Inc. Complete Flags of the World. Dowling Kindersley, 2008.

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