APA
Giesen N. v. d., Internationale Union für Geodäsie und Geophysik & Symposium Changes in Water Resources Systems: Methodologies to Maintain Water Security and Ensure Integrated Management. (2007). Changes in water resources systems: methodologies to maintain water security and ensure integrated management ; [Symposium Changes in Water Resources Systems: Methodologies to Maintain Water Security and Ensure Integrated Management, held during the IUGG General assembly in Perugia, Italy, from 2-13 July 2007]. Wallingford: IAHS Press.
Chicago
Giesen Nick van de, Internationale Union für Geodäsie und Geophysik and Symposium Changes in Water Resources Systems: Methodologies to Maintain Water Security and Ensure Integrated Management. 2007. Changes in water resources systems: methodologies to maintain water security and ensure integrated management ; [Symposium Changes in Water Resources Systems: Methodologies to Maintain Water Security and Ensure Integrated Management, held during the IUGG General assembly in Perugia, Italy, from 2-13 July 2007]. Wallingford: IAHS Press.
Harvard
Giesen N. v. d., Internationale Union für Geodäsie und Geophysik and Symposium Changes in Water Resources Systems: Methodologies to Maintain Water Security and Ensure Integrated Management. (2007). Changes in water resources systems: methodologies to maintain water security and ensure integrated management ; [Symposium Changes in Water Resources Systems: Methodologies to Maintain Water Security and Ensure Integrated Management, held during the IUGG General assembly in Perugia, Italy, from 2-13 July 2007]. Wallingford: IAHS Press.
MLA
Giesen Nick van de, Internationale Union für Geodäsie und Geophysik and Symposium Changes in Water Resources Systems: Methodologies to Maintain Water Security and Ensure Integrated Management. Changes in water resources systems: methodologies to maintain water security and ensure integrated management ; [Symposium Changes in Water Resources Systems: Methodologies to Maintain Water Security and Ensure Integrated Management, held during the IUGG General assembly in Perugia, Italy, from 2-13 July 2007]. Wallingford: IAHS Press. 2007.