Cita APA

Berle, P. A. A., Borrelli, P., Berry, T. 1., Booth, R. S., & Boyle, R. H. (1988). Crossroads: Environmental priorities for the future. Washington, D.C.: Island Press.

Citación estilo Chicago

Berle, Peter A. A., Peter Borrelli, Thomas 1914-2009 Berry, Richard S. Booth, y Robert H. Boyle. Crossroads: Environmental Priorities for the Future. Washington, D.C.: Island Press, 1988.

Cita MLA

Berle, Peter A. A., et al. Crossroads: Environmental Priorities for the Future. Washington, D.C.: Island Press, 1988.