Cita APA

Kellner, A. W. A., Aguirre-Urreta, M. B., & Ramos, V. A. (2003). On the Pterosaur Remains from the Río Belgrano Formation (Barremian), Patagonian Andes of Argentina. Web

Citación estilo Chicago

Kellner, Alexander Wilhelm Armin, Maria Beatriz Aguirre-Urreta, and Victor Alberto Ramos. On the Pterosaur Remains From the Río Belgrano Formation (Barremian), Patagonian Andes of Argentina. 2003.

Cita MLA

Kellner, Alexander Wilhelm Armin, Maria Beatriz Aguirre-Urreta, and Victor Alberto Ramos. On the Pterosaur Remains From the Río Belgrano Formation (Barremian), Patagonian Andes of Argentina. 2003.