Cita APA

Ortega, G. d. C., Albanesi, G. L., & Zeballo, F. J. (2012). Machaeridians from the middle and upper ordovician of the Argentine precordillera. Web

Citación estilo Chicago

Ortega, Gladys del Carmen, Guillermo Luis Albanesi, and Fernando Javier Zeballo. Machaeridians From the Middle and Upper Ordovician of the Argentine Precordillera. 2012.

Cita MLA

Ortega, Gladys del Carmen, Guillermo Luis Albanesi, and Fernando Javier Zeballo. Machaeridians From the Middle and Upper Ordovician of the Argentine Precordillera. 2012.