Cita APA (7a ed.)

Ries, H., & Keeley, S. M. (1912). Preliminary report on the clay and shales deposits of the western provinces. La institución.

Cita Chicago Style (17a ed.)

Ries, Heinrich, y Stuart M. Keeley. Preliminary Report on the Clay and Shales Deposits of the Western Provinces. Ottawa: La institución, 1912.

Cita MLA (8a ed.)

Ries, Heinrich, y Stuart M. Keeley. Preliminary Report on the Clay and Shales Deposits of the Western Provinces. La institución, 1912.