APA (7th ed.) Citation

Dark, P. (2000). The environment of Britain in the first millennium AD / Petra Dark. Duckworth.

Chicago Style (17th ed.) Citation

Dark, Petra. The Environment of Britain in the First Millennium AD / Petra Dark. London: Duckworth, 2000.

MLA (9th ed.) Citation

Dark, Petra. The Environment of Britain in the First Millennium AD / Petra Dark. Duckworth, 2000.

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