APA (7th ed.) Citation

Simmons, I. G., & Tooley, M. J. (1981). The environment in British prehistory. Duckworth.

Chicago Style (17th ed.) Citation

Simmons, I. G., and M. J. Tooley. The Environment in British Prehistory. London: Duckworth, 1981.

MLA (9th ed.) Citation

Simmons, I. G., and M. J. Tooley. The Environment in British Prehistory. Duckworth, 1981.