APA (7th ed.) Citation

Budd, L., Griggs, S., Howarth, D., & Ison, S. (2011). A fiasco of volcanic proportions? Eyjafjallajökull and the closure of European airspace.

Chicago Style (17th ed.) Citation

Budd, Lucy, Steven Griggs, David Howarth, and Stephen Ison. A Fiasco of Volcanic Proportions? Eyjafjallajökull and the Closure of European Airspace. 2011.

MLA (9th ed.) Citation

Budd, Lucy, et al. A Fiasco of Volcanic Proportions? Eyjafjallajökull and the Closure of European Airspace. 2011.

Warning: These citations may not always be 100% accurate.