APA (7th ed.) Citation

White, I., Mottershead, D., & Harrison, S. (1992). Environmental systems: An introductory text (2nd ed.). Chapman and Hall.

Chicago Style (17th ed.) Citation

White, I.D, D.N Mottershead, and S.J Harrison. Environmental Systems: An Introductory Text. 2nd ed. London [etc.]: Chapman and Hall, 1992.

MLA (9th ed.) Citation

White, I.D, et al. Environmental Systems: An Introductory Text. 2nd ed. Chapman and Hall, 1992.