APA (7th ed.) Citation

ProQuest (Firm). (2005). How much is an ecosystem worth?: Assessing the economic value of conservation. IUCN, the Nature Conservancy, the World Bank.

Chicago Style (17th ed.) Citation

ProQuest (Firm). How Much Is an Ecosystem Worth?: Assessing the Economic Value of Conservation. Washington, DC: IUCN, the Nature Conservancy, the World Bank, 2005.

MLA (9th ed.) Citation

ProQuest (Firm). How Much Is an Ecosystem Worth?: Assessing the Economic Value of Conservation. IUCN, the Nature Conservancy, the World Bank, 2005.

Warning: These citations may not always be 100% accurate.