APA (7th ed.) Zitazioa

Johnston, R., & R.J. Johnston. (1996). Nature, state and Economy: A political economy of the enviroment. Wiley.

Chicago Style (17th ed.) Zitazioa

Johnston, R.J, eta R.J. Johnston. Nature, State and Economy: A Political Economy of the Enviroment. Chichester: Wiley, 1996.

MLA (9th ed.) Zitazioa

Johnston, R.J, eta R.J. Johnston. Nature, State and Economy: A Political Economy of the Enviroment. Wiley, 1996.