Gaya APA

Steinitz, C. et al (2009). Alternative Future for changing landscapes: The Upper San Pedro River Basin in Arizona and Sonora (-). Washington, D.C: Island Press.

Gaya MLA

Steinitz, Carl. et al. "Alternative Future for changing landscapes: The Upper San Pedro River Basin in Arizona and Sonora". - Washington, D.C: Island Press, 2009. Text.