Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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