APA (7th ed.) Citation

Easter, K. W., & Zeitouni, N. (2006). The Economics of water quality. Ashgate.

Chicago Style (17th ed.) Citation

Easter, K. William, and Naomi Zeitouni. The Economics of Water Quality. Aldershots, England: Ashgate, 2006.

MLA (9th ed.) Citation

Easter, K. William, and Naomi Zeitouni. The Economics of Water Quality. Ashgate, 2006.