Cita APA (7th ed.)
Kormondy, E. J. (1969). Concepts of ecology. Prentice-Hall.
Cita Chicago (17th ed.)
Kormondy, Edward J. Concepts of Ecology. Englewood Cliffs, N.J: Prentice-Hall, 1969.
Cita MLA (9th ed.)
Kormondy, Edward J. Concepts of Ecology. Prentice-Hall, 1969.
Atenció: Aquestes cites poden no estar 100% correctes.