Cita APA (7th ed.)
Cummins, R. (2010). The world in the head. Oxford University Press.
Cita Chicago (17th ed.)
Cummins, Robert. The World in the Head. Oxford: Oxford University Press, 2010.
Cita MLA (9th ed.)
Cummins, Robert. The World in the Head. Oxford University Press, 2010.
Atenció: Aquestes cites poden no estar 100% correctes.