Kindle, E. M. (1919). The Climatic Interpretation of Two Early Ordovician Mud-crack Horizons. Zenodo.
Cita Chicago (17th ed.)Kindle, E. M. The Climatic Interpretation of Two Early Ordovician Mud-crack Horizons. Zenodo, 1919.
Cita MLA (9th ed.)Kindle, E. M. The Climatic Interpretation of Two Early Ordovician Mud-crack Horizons. Zenodo, 1919.
Atenció: Aquestes cites poden no estar 100% correctes.