Cita APA (7a ed.)

Sparreboom, M., & Thorn, R. (2014). Salamanders of the Old World: The salamanders of Europe, Asia and northern Africa (First edition.). KNNV Publishing.

Cita Chicago Style (17a ed.)

Sparreboom, M., y Robert Thorn. Salamanders of the Old World: The Salamanders of Europe, Asia and Northern Africa. First edition. Zeist: KNNV Publishing, 2014.

Cita MLA (8a ed.)

Sparreboom, M., y Robert Thorn. Salamanders of the Old World: The Salamanders of Europe, Asia and Northern Africa. First edition. KNNV Publishing, 2014.