Cita APA

Keidel, J., & Harrington, H. J. (1938). On the discovery of lower carboniferous tillites in the precordillera of San Juan Western Argentina. Dulau.

Citación estilo Chicago

Keidel, Juan., and Horacio J. Harrington. On the Discovery of Lower Carboniferous Tillites in the Precordillera of San Juan Western Argentina. London: Dulau, 1938.

Cita MLA

Keidel, Juan., and Horacio J. Harrington. On the Discovery of Lower Carboniferous Tillites in the Precordillera of San Juan Western Argentina. London: Dulau, 1938.