APA (7th ed.) Citation

Brown, Renner, & Halweil. (1999). Vital signs 1999 2000 the environmental trends that are shaping our future. Earthscan.

Chicago Style (17th ed.) Citation

Brown, Renner, and Halweil. Vital Signs 1999 2000 the Environmental Trends That Are Shaping Our Future. London: Earthscan, 1999.

MLA (8th ed.) Citation

Brown, et al. Vital Signs 1999 2000 the Environmental Trends That Are Shaping Our Future. Earthscan, 1999.