Cita APA (7th ed.)

Raven, P. H. (2004). Environment. Wiley.

Cita Chicago (17th ed.)

Raven, Peter H. Environment. New York: Wiley, 2004.

Cita MLA (9th ed.)

Raven, Peter H. Environment. Wiley, 2004.

Atenció: Aquestes cites poden no estar 100% correctes.