Barragán, R., & Maurrasse, F. J. R. (2008). Lower Aptian (Lower Cretaceous) ammonites from the basal strata of the La Peña Formation of Nuevo León State, northeast Mexico: Biochronostratigraphic implications.
Citação norma ChicagoBarragán, Ricardo, y Florentin J-M. R. Maurrasse. Lower Aptian (Lower Cretaceous) Ammonites From the Basal Strata of the La Peña Formation of Nuevo León State, Northeast Mexico: Biochronostratigraphic Implications. 2008.
Citação norma MLABarragán, Ricardo, y Florentin J-M. R. Maurrasse. Lower Aptian (Lower Cretaceous) Ammonites From the Basal Strata of the La Peña Formation of Nuevo León State, Northeast Mexico: Biochronostratigraphic Implications. 2008.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.