APA
O'Connor M. (., Spash C. (., . (1999). Valuation and the environment: Theory, method and practice. Cheltenham: Edward Elgar.
Chicago
O'Connor Martin (ed), Spash Clive (ed), . 1999. Valuation and the environment: Theory, method and practice. Cheltenham: Edward Elgar.
Harvard
O'Connor M. (., Spash C. (., . (1999). Valuation and the environment: Theory, method and practice. Cheltenham: Edward Elgar.
MLA
O'Connor Martin (ed), Spash Clive (ed), . Valuation and the environment: Theory, method and practice. Cheltenham: Edward Elgar. 1999.