APA (7th ed.) Citation

Orr, D. W. (2011). Hope is an Imperative: The Essential David Orr. Island Press/Center for Resource Economics : Imprint: Island Press.

Chicago Style (17th ed.) Citation

Orr, David W. Hope Is an Imperative: The Essential David Orr. Washington, DC: Island Press/Center for Resource Economics : Imprint: Island Press, 2011.

MLA (8th ed.) Citation

Orr, David W. Hope Is an Imperative: The Essential David Orr. Island Press/Center for Resource Economics : Imprint: Island Press, 2011.

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