Quantitative conservation biology: theory and practice of population viability analysis. Sinauer Associates, Sunderland, Massachusetts, USA Copyright © 2003 by the author(s). Published here under license by The Resilience Alliance. The following is the established format for referencing this article: Sabo, J. 2003. Morris, W. F., and D. F. Doak. 2003. Quantitative conservation biology: theory and practice of population viability analysis. Sinauer Associates, Sunderland, Massachusetts, USA.