Cita APA (7th ed.)

OLLIER, C. (1984). Weathering. Longman.

Cita Chicago (17th ed.)

OLLIER, Cliff. Weathering. London: Longman, 1984.

Cita MLA (9th ed.)

OLLIER, Cliff. Weathering. Longman, 1984.

Atenció: Aquestes cites poden no estar 100% correctes.