Cita APA (7th ed.)

(2010). Airborne volcanic ash: A global threat to aviation / [Christina A. Neal and Marianne C. Guffanti].

Cita Chicago (17th ed.)

Airborne Volcanic Ash: A Global Threat to Aviation / [Christina A. Neal and Marianne C. Guffanti]. 2010.

Cita MLA (9th ed.)

Airborne Volcanic Ash: A Global Threat to Aviation / [Christina A. Neal and Marianne C. Guffanti]. 2010.