APA (7th ed.) Citation

Petroni, G. (1999). The world is a prison. Marlboro Press/Northwestern University Press.

Chicago Style (17th ed.) Citation

Petroni, Guglielmo. The World Is a Prison. Evanston, Ill.: Marlboro Press/Northwestern University Press, 1999.

MLA (9th ed.) Citation

Petroni, Guglielmo. The World Is a Prison. Marlboro Press/Northwestern University Press, 1999.