Cita APA (7th ed.)

Westerhoff & Jan. (2011). Reality: A Very Short Introduction. Oxford University Press.

Cita Chicago (17th ed.)

Westerhoff i Jan. Reality: A Very Short Introduction. Oxford: Oxford University Press, 2011.

Cita MLA (9th ed.)

Westerhoff i Jan. Reality: A Very Short Introduction. Oxford University Press, 2011.