APA-viite

McCord, W. P., Joseph-Ouni, M., & Lamar, W. W. (2001). ATaxonomic Reevaluation of Phrynops (Testudines: Chelidae) with the description of two new genera and a new species of Batrachemys.

Chicago-tyylinen lähdeviittaus

McCord, William P., Mehdi Joseph-Ouni, ja William W. Lamar. ATaxonomic Reevaluation of Phrynops (Testudines: Chelidae) With the Description of Two New Genera and a New Species of Batrachemys. 2001.

MLA-viite

McCord, William P., Mehdi Joseph-Ouni, ja William W. Lamar. ATaxonomic Reevaluation of Phrynops (Testudines: Chelidae) With the Description of Two New Genera and a New Species of Batrachemys. 2001.

Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.