APA (7th ed.) Citation

Gilpin, A. (1976). Dictionary of environmental terms. Routledge and Kegan Paul.

Chicago Style (17th ed.) Citation

Gilpin, Alan. Dictionary of Environmental Terms. London: Routledge and Kegan Paul, 1976.

MLA (9th ed.) Citation

Gilpin, Alan. Dictionary of Environmental Terms. Routledge and Kegan Paul, 1976.