Caldwell, M., & Coates, K. (1979). Socialism and the environment: Essays. Spokesman.
Citazione stile Chigago Style (17a edizione)Caldwell, Malcolm, e Ken Coates. Socialism and the Environment: Essays. Nottingham: Spokesman, 1979.
Citatione MLA (8a ed.)Caldwell, Malcolm, e Ken Coates. Socialism and the Environment: Essays. Spokesman, 1979.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.