APA (7th ed.) Citation

Welsh, F. (2003). The four nations: A history of the United Kingdom. HarperCollinsPublishers.

Chicago Style (17th ed.) Citation

Welsh, Frank. The Four Nations: A History of the United Kingdom. London: HarperCollinsPublishers, 2003.

MLA (9th ed.) Citation

Welsh, Frank. The Four Nations: A History of the United Kingdom. HarperCollinsPublishers, 2003.

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