APA (7th ed.) Citation

Johnson Barker, B., & Carpenter, C. (2012). The complete guide to flags of the world. New Holland.

Chicago Style (17th ed.) Citation

Johnson Barker, Brian, and Clive Carpenter. The Complete Guide to Flags of the World. London: New Holland, 2012.

MLA (9th ed.) Citation

Johnson Barker, Brian, and Clive Carpenter. The Complete Guide to Flags of the World. New Holland, 2012.

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