Worldwatch Institute. (2006). Vital signs 2006-2007: The trends that are shaping our future. Norton.
Chicago Style (17th ed.) CitationWorldwatch Institute. Vital Signs 2006-2007: The Trends That Are Shaping Our Future. New York: Norton, 2006.
MLA (9th ed.) CitationWorldwatch Institute. Vital Signs 2006-2007: The Trends That Are Shaping Our Future. Norton, 2006.
Warning: These citations may not always be 100% accurate.