APA (7th ed.) Citation

Walker, M., & Bell, M. (1992). Late quaternary environmental change: Physical and human perspectives. Longman.

Chicago Style (17th ed.) Citation

Walker, Michael, and Martin Bell. Late Quaternary Environmental Change: Physical and Human Perspectives. Essex: Longman, 1992.

MLA (8th ed.) Citation

Walker, Michael, and Martin Bell. Late Quaternary Environmental Change: Physical and Human Perspectives. Longman, 1992.