Cita APA (7a ed.)

(2009). A review of the endocerid cephalopod Protocyptendoceras from the Floian (Lower Ordovician) of the Eastern Cordillera, Argentina.

Cita Chicago Style (17a ed.)

A Review of the Endocerid Cephalopod Protocyptendoceras from the Floian (Lower Ordovician) of the Eastern Cordillera, Argentina. 2009.

Cita MLA (8a ed.)

A Review of the Endocerid Cephalopod Protocyptendoceras from the Floian (Lower Ordovician) of the Eastern Cordillera, Argentina. 2009.