Brown, L. R., Renner, M., Starke, L., & Halweil, B. (2000). Vital signs 2000: The environmental trends that are shaping our future. Norton.
芝加哥风格引文Brown, Lester Russell, Michael Renner, Linda Starke, 与 Brian Halweil. Vital Signs 2000: The Environmental Trends That Are Shaping Our Future. New York: Norton, 2000.
MLA引文Brown, Lester Russell, et al. Vital Signs 2000: The Environmental Trends That Are Shaping Our Future. Norton, 2000.
警告：这些引文格式不一定是100％准确.