APA (7th ed.) Citation

English Place Name Society, Watts, V. E., & Insley, J. (2002). A dictionary of County Durham place-names. Popoular series.

Chicago Style (17th ed.) Citation

English Place Name Society, Victor E. Watts, and John Insley. "A Dictionary of County Durham Place-names." Popoular Series 2002.

MLA (9th ed.) Citation

English Place Name Society, et al. "A Dictionary of County Durham Place-names." Popoular Series, 2002.