Cita APA (7a ed.)

LEvy, M. (2008). VOLCANOES AND EARTQUAKES. Britannica.

Cita Chicago Style (17a ed.)

LEvy, Michael. VOLCANOES AND EARTQUAKES. Britannica, 2008.

Cita MLA (8a ed.)

LEvy, Michael. VOLCANOES AND EARTQUAKES. Britannica, 2008.