Cita APA (7a ed.)
Easterbrook, G. A Moment on the Earth: The Coming Age of Environmental Optimism. Penguin.
Cita estilo Chicago (17a ed.)
Easterbrook, Gregg. A Moment on the Earth: The Coming Age of Environmental Optimism. Nueva York, EUA: Penguin.
Cita MLA (9a ed.)
Easterbrook, Gregg. A Moment on the Earth: The Coming Age of Environmental Optimism. Penguin.
Precaución: Estas citas no son 100% exactas.