Brown, L. R., Renner, M., Starke, L., & Halweil, B. (2000). Vital signs 2000: The environmental trends that are shaping our future. Norton.
Citazione stile Chigago Style (17a edizione)Brown, Lester Russell, Michael Renner, Linda Starke, e Brian Halweil. Vital Signs 2000: The Environmental Trends That Are Shaping Our Future. New York: Norton, 2000.
Citatione MLA (8a ed.)Brown, Lester Russell, et al. Vital Signs 2000: The Environmental Trends That Are Shaping Our Future. Norton, 2000.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.