APA (7th ed.) Citation

Williamson, T. (2010). The origins of Hertfordshire. Hertfordshire Publications.

Chicago Style (17th ed.) Citation

Williamson, Tom. The Origins of Hertfordshire. Hatfield, Hertfordshire: Hertfordshire Publications, 2010.

MLA (9th ed.) Citation

Williamson, Tom. The Origins of Hertfordshire. Hertfordshire Publications, 2010.

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