APA (7th ed.) Citation

Dark, K. R., & Dark, P. (1997). The landscape of Roman Britain. Sutton.

Chicago Style (17th ed.) Citation

Dark, K. R., and Petra Dark. The Landscape of Roman Britain. Stroud, Gloucestershire: Sutton, 1997.

MLA (9th ed.) Citation

Dark, K. R., and Petra Dark. The Landscape of Roman Britain. Sutton, 1997.