Cita APA (7a ed.)

Arkell, W. (1933). The Jurassic System in Great Britain. Clarendon Press.

Cita Chicago Style (17a ed.)

Arkell, W.J. The Jurassic System in Great Britain. Oxford: Clarendon Press, 1933.

Cita MLA (9a ed.)

Arkell, W.J. The Jurassic System in Great Britain. Clarendon Press, 1933.