Cita APA

O'Gorman, J. P., & Varela, A. N. (2010). The oldest lower Upper Cretaceous plesiosaurs (Reptilia, Sauropterygia) from southern Patagonia, Argentina. Web

Citación estilo Chicago

O'Gorman, José Patricio, and Augusto Nicolás Varela. The Oldest Lower Upper Cretaceous Plesiosaurs (Reptilia, Sauropterygia) From Southern Patagonia, Argentina. 2010.

Cita MLA

O'Gorman, José Patricio, and Augusto Nicolás Varela. The Oldest Lower Upper Cretaceous Plesiosaurs (Reptilia, Sauropterygia) From Southern Patagonia, Argentina. 2010.