APA (7th ed.) Citation

Vander Ryn, S., & Cowan, S. (2007). Ecological design: Tenth anniversary edition. Island Press.

Chicago Style (17th ed.) Citation

Vander Ryn, Sim, and Stuart Cowan. Ecological Design: Tenth Anniversary Edition. Washington, D.C. [u.a.]: Island Press, 2007.

MLA (9th ed.) Citation

Vander Ryn, Sim, and Stuart Cowan. Ecological Design: Tenth Anniversary Edition. Island Press, 2007.