Cita APA

Raven, P. H., & Berg, L. R. (2004). Environment (4th ed.). John Wiley & Sons.

Chicago Edition Citation

Raven, Peter H., i Linda R. Berg. Environment. 4th ed. John Wiley & Sons, 2004.

Cita MLA

Raven, Peter H., i Linda R. Berg. Environment. 4th ed. John Wiley & Sons, 2004.

Atenció: Aquestes cites poden no estar 100% correctes.