Cita APA (7a ed.)

Whitrow, G. J. (1980). The natural philosophy of time (Second edition.). Clarendon Press.

Cita Chicago Style (17a ed.)

Whitrow, G. J. The Natural Philosophy of Time. Second edition. Oxford: Clarendon Press, 1980.

Cita MLA (9a ed.)

Whitrow, G. J. The Natural Philosophy of Time. Second edition. Clarendon Press, 1980.