Cita APA

Robert E Ricklifs. (1990). Ecology. New York: W.H. Freeman and Co.

Chicago Style Citation

Robert E Ricklifs. Ecology. New York: W.H. Freeman and Co, 1990.

Cita MLA

Robert E Ricklifs. Ecology. New York: W.H. Freeman and Co, 1990.

Atenció: Aquestes cites poden no estar 100% correctes.