Cita APA (7th ed.)
National Geographic Society. Mamiferos 4 (1̊ed.). RBA Coleccionables ; Weldon Owen Pty Ltd.
Cita Chicago (17th ed.)
National Geographic Society. Mamiferos 4. 1̊ed. RBA Coleccionables ; Weldon Owen Pty Ltd.
Cita MLA (9th ed.)
National Geographic Society. Mamiferos 4. 1̊ed. RBA Coleccionables ; Weldon Owen Pty Ltd.
Atenció: Aquestes cites poden no estar 100% correctes.