Cita APA

Cunningham, W. P. (2006). Principles of enviromental science. New York: Margateth J. Kemp.

Chicago Style Citation

Cunningham, William P. Principles of Enviromental Science. New York: Margateth J. Kemp, 2006.

Cita MLA

Cunningham, William P. Principles of Enviromental Science. New York: Margateth J. Kemp, 2006.

Atenció: Aquestes cites poden no estar 100% correctes.