Citazione Stile APA (7a Edizione)

Walker, R. G. (1984). Facies models (2nd ed.). Geological Association of Canada Publications, Business and Economic Service.

Citazione stile Chigago Style (17a edizione)

Walker, Roger G. Facies Models. 2nd ed. Toronto, Ont: Geological Association of Canada Publications, Business and Economic Service, 1984.

Citatione MLA (9a ed.)

Walker, Roger G. Facies Models. 2nd ed. Geological Association of Canada Publications, Business and Economic Service, 1984.