APA (7th ed.) Citation

Huggett, R. J. (1993). Modelling the human impact on nature: Systems analysis of environmental problems. Oxford University Press.

Chicago Style (17th ed.) Citation

Huggett, Richard J. Modelling the Human Impact on Nature: Systems Analysis of Environmental Problems. Oxford ; New York: Oxford University Press, 1993.

MLA (9th ed.) Citation

Huggett, Richard J. Modelling the Human Impact on Nature: Systems Analysis of Environmental Problems. Oxford University Press, 1993.