APA (7th ed.) Citation

Kirkwood, R., & Longley, A. (1995). Clean technology and the environment. Blakie Academic & Professional.

Chicago Style (17th ed.) Citation

Kirkwood, R.C, and A.J Longley. Clean Technology and the Environment. London: Blakie Academic & Professional, 1995.

MLA (9th ed.) Citation

Kirkwood, R.C, and A.J Longley. Clean Technology and the Environment. Blakie Academic & Professional, 1995.