Raven, P. H., & Berg, L. R. (2004). Environment (4th ed.). John Wiley & Sons.
Citación estilo ChicagoRaven, Peter H., and Linda R. Berg. Environment. 4th ed. John Wiley & Sons, 2004.
Cita MLARaven, Peter H., and Linda R. Berg. Environment. 4th ed. John Wiley & Sons, 2004.
Warning: These citations may not always be 100% accurate.