Cita APA

Kusky,Timothy. (2006). Viva-facts on file: The encyclopedia of earth science. Viva.

Chicago Edition Citation

Kusky,Timothy. Viva-facts on File: The Encyclopedia of Earth Science. New Delhi: Viva, 2006.

Cita MLA

Kusky,Timothy. Viva-facts on File: The Encyclopedia of Earth Science. Viva, 2006.

Atenció: Aquestes cites poden no estar 100% correctes.