APA (7th ed.) Citation

Tompkins, H. W., & New, E. H. (2006). Hertfordshire. Project Gutenberg.

Chicago Style (17th ed.) Citation

Tompkins, Herbert W., and E. H. New. Hertfordshire. Project Gutenberg, 2006.

MLA (9th ed.) Citation

Tompkins, Herbert W., and E. H. New. Hertfordshire. Project Gutenberg, 2006.

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