Cita APA (7th ed.)
Kormondy, E. J. (1984). Concepts of ecology (3rd ed.). Prentice-Hall.
Cita Chicago (17th ed.)
Kormondy, Edward John. Concepts of Ecology. 3rd ed. Englewood Cliffs, N.J.: Prentice-Hall, 1984.
Cita MLA (9th ed.)
Kormondy, Edward John. Concepts of Ecology. 3rd ed. Prentice-Hall, 1984.
Atenció: Aquestes cites poden no estar 100% correctes.