Cita APA (7th ed.)

Walker, R. G. (1986). Facies Models (2nd ed.). Geological Association of Canada Publications.

Cita Chicago (17th ed.)

Walker, Roger G. Facies Models. 2nd ed. Ontario: Geological Association of Canada Publications, 1986.

Cita MLA (9th ed.)

Walker, Roger G. Facies Models. 2nd ed. Geological Association of Canada Publications, 1986.