APA (7th ed.) Citation

Walmsley, D. J., & Lewis, G. J. (1993). People and environment (2nd ed.). Longman Scientific & Technical.

Chicago Style (17th ed.) Citation

Walmsley, D. J., and G. J. Lewis. People and Environment. 2nd ed. Harlow: Longman Scientific & Technical, 1993.

MLA (9th ed.) Citation

Walmsley, D. J., and G. J. Lewis. People and Environment. 2nd ed. Longman Scientific & Technical, 1993.