APA (7th ed.) Zitazioa

ebrary, Inc, Spies, T. A., & Duncan, S. L. (2009). Old growth in a New World: A Pacific Northwest icon reexamined. Island Press.

Chicago Style (17th ed.) Zitazioa

ebrary, Inc, Thomas A. Spies, eta Sally L. Duncan. Old Growth in a New World: A Pacific Northwest Icon Reexamined. Washington, D.C.: Island Press, 2009.

MLA (9th ed.) Zitazioa

ebrary, Inc, et al. Old Growth in a New World: A Pacific Northwest Icon Reexamined. Island Press, 2009.