APA Style

Willis, Kenneth G., Garrod, Guy. (1999). Economic valuation of the environment : methods and case studies . USA: Edward Elgar.

Chicago Style

Willis, Kenneth G., Garrod, Guy. Economic valuation of the environment : methods and case studies. USA: Edward Elgar, 1999. Text.

MLA Style

Willis, Kenneth G., Garrod, Guy. Economic valuation of the environment : methods and case studies. USA: Edward Elgar, 1999. Text.

Turabian Style

Willis, Kenneth G., Garrod, Guy. Economic valuation of the environment : methods and case studies. USA: Edward Elgar, 1999. Print.