APA (7th ed.) Citation

Elson, M. J., Walker, S., & Macdonald, R. (1993). The effectiveness of green belts (1. publ.). HMSO.

Chicago Style (17th ed.) Citation

Elson, Martin J., Stephen Walker, and Roderick Macdonald. The Effectiveness of Green Belts. 1. publ. London: HMSO, 1993.

MLA (9th ed.) Citation

Elson, Martin J., et al. The Effectiveness of Green Belts. 1. publ. HMSO, 1993.