APA (7th ed.) Citation
German, L., Achten, W., & Guariguata, M. R. (2012). Environmental impacts.
Chicago Style (17th ed.) Citation
German, L., W.M.J Achten, and Manuel R. Guariguata. Environmental Impacts. 2012.
MLA (9th ed.) Citation
German, L., et al. Environmental Impacts. 2012.
Warning: These citations may not always be 100% accurate.