APA (7th ed.) Citation

Spash, C. L., & Simpson, I. A. (1992). Protecting sites of special scientific interest: Intrinsic and utilitarian values. Univ., Department of Economics.

Chicago Style (17th ed.) Citation

Spash, Clive L., and Ian A. Simpson. Protecting Sites of Special Scientific Interest: Intrinsic and Utilitarian Values. Stirling: Univ., Department of Economics, 1992.

MLA (9th ed.) Citation

Spash, Clive L., and Ian A. Simpson. Protecting Sites of Special Scientific Interest: Intrinsic and Utilitarian Values. Univ., Department of Economics, 1992.