Cita APA

(2005). How much is an ecosystem worth?: Assessing the economic value of conservation. Washington, DC: IUCN.

Citación estilo Chicago

How Much Is an Ecosystem Worth?: Assessing the Economic Value of Conservation. Washington, DC: IUCN, 2005.

Cita MLA

How Much Is an Ecosystem Worth?: Assessing the Economic Value of Conservation. Washington, DC: IUCN, 2005.

Precaución: Estas citas no son 100% exactas.