Cita APA (7a ed.)

Middleton, N., & O'Keefe, P. (2003). Rio plus ten: Politics, poverty and the environment. Pluto Press.

Cita Chicago Style (17a ed.)

Middleton, Neil, y Philip O'Keefe. Rio Plus Ten: Politics, Poverty and the Environment. London ; Sterling, Va.: Pluto Press, 2003.

Cita MLA (8a ed.)

Middleton, Neil, y Philip O'Keefe. Rio Plus Ten: Politics, Poverty and the Environment. Pluto Press, 2003.