Cita APA (7a ed.)

Widdowson, M. (1997). Palaeosurfaces: Recognition, reconstruction and palaeoenvironmental interpretation ([s.e.].). The geological society.

Cita Chicago Style (17a ed.)

Widdowson, Mark. Palaeosurfaces: Recognition, Reconstruction and Palaeoenvironmental Interpretation. [s.e.]. London: The geological society, 1997.

Cita MLA (8a ed.)

Widdowson, Mark. Palaeosurfaces: Recognition, Reconstruction and Palaeoenvironmental Interpretation. [s.e.]. The geological society, 1997.