Cita APA (7th ed.)

Allaby, M. (1998). A dictionary of ecology (2nd ed.). Oxford.

Cita Chicago (17th ed.)

Allaby, Michael. A Dictionary of Ecology. 2nd ed. New York: Oxford, 1998.

Cita MLA (9th ed.)

Allaby, Michael. A Dictionary of Ecology. 2nd ed. Oxford, 1998.