Cita APA (7a ed.)

Gottlieb, R. (2005). Forcing the spring: The transformation of the American environmental movement (Rev. and updated ed.). Island Press.

Cita Chicago Style (17a ed.)

Gottlieb, Robert. Forcing the Spring: The Transformation of the American Environmental Movement. Rev. and updated ed. Washington, DC: Island Press, 2005.

Cita MLA (8a ed.)

Gottlieb, Robert. Forcing the Spring: The Transformation of the American Environmental Movement. Rev. and updated ed. Island Press, 2005.