Cita APA (7th ed.)

White, I. D., Mottershead, D. N., & Harrison, S. J. (1992). Environmental systems: An introductory text (Second edition.). Chapman & Hall.

Cita Chicago (17th ed.)

White, I. D., D. N. Mottershead, i S. John Harrison. Environmental Systems: An Introductory Text. Second edition. London: Chapman & Hall, 1992.

Cita MLA (9th ed.)

White, I. D., et al. Environmental Systems: An Introductory Text. Second edition. Chapman & Hall, 1992.