APA (7th ed.) Citation
Chapagain A. K. & Hoekstra A. Y. (2004). Water footprints of nations. UNESCO. Institute for Water Education.
Chicago Style (17th ed.) Citation
Chapagain A. K. and Hoekstra A. Y. Water Footprints of Nations. UNESCO. Institute for Water Education, 2004.
MLA (9th ed.) Citation
Chapagain A. K. and Hoekstra A. Y. Water Footprints of Nations. UNESCO. Institute for Water Education, 2004.
Warning: These citations may not always be 100% accurate.