Cita APA

Walker, B., & Steffen, W. (1996). Global change and terrestrial ecosystems. CUP.

Citación estilo Chicago

Walker, Brian, y Will Steffen. Global Change and Terrestrial Ecosystems. Cambridge: CUP, 1996.

Cita MLA

Walker, Brian, y Will Steffen. Global Change and Terrestrial Ecosystems. CUP, 1996.