Cita APA

Aguirre-Urreta, M. B., & Rawson, P. F. (2001). Lower Cretaceous ammonites from the Neuquén Basin, Argentina: A Hauterivian Olcostephanus fauna. Web

Citación estilo Chicago

Aguirre-Urreta, Maria Beatriz, and Peter F. Rawson. Lower Cretaceous Ammonites From the Neuquén Basin, Argentina: A Hauterivian Olcostephanus Fauna. 2001.

Cita MLA

Aguirre-Urreta, Maria Beatriz, and Peter F. Rawson. Lower Cretaceous Ammonites From the Neuquén Basin, Argentina: A Hauterivian Olcostephanus Fauna. 2001.