Cita APA (7th ed.)
Renouf, J., Olding, P., Lawrie, B., Gillings, A., Harris, S., & Stewart, I. (2007). Earth: The Biography : Volcanoes. BBC ; National Geographic Society.
Cita Chicago (17th ed.)
Renouf, Jonnathan, Paul Olding, Ben Lawrie, Annabel Gillings, Sophie Harris, i Iain Stewart. Earth: The Biography : Volcanoes. Inglaterra : Washington, EUA: BBC ; National Geographic Society, 2007.
Cita MLA (9th ed.)
Renouf, Jonnathan, et al. Earth: The Biography : Volcanoes. BBC ; National Geographic Society, 2007.
Atenció: Aquestes cites poden no estar 100% correctes.