Cita APA (7a ed.)
(2009). Observing our Changing Earth: Proceedings of the 2007 IAG General Assembly.Perugia,Italy,2.-13.7.2007. Springer Verlag London.
Cita Chicago Style (17a ed.)
Observing Our Changing Earth: Proceedings of the 2007 IAG General Assembly.Perugia,Italy,2.-13.7.2007. Berlin: Springer Verlag London, 2009.
Cita MLA (9a ed.)
Observing Our Changing Earth: Proceedings of the 2007 IAG General Assembly.Perugia,Italy,2.-13.7.2007. Springer Verlag London, 2009.
Precaución: Estas citas no son 100% exactas.