Cita APA (7a ed.)

Discovery Channel School. (2005). Earthquake (version 2.0.). Discovery Channel School.

Cita Chicago Style (17a ed.)

Discovery Channel School. Earthquake. version 2.0. s.l: Discovery Channel School, 2005.

Cita MLA (9a ed.)

Discovery Channel School. Earthquake. version 2.0. Discovery Channel School, 2005.