Cita APA (7th ed.)

Allaby, M. (1987). Dictionary of the environment (2nd ed.). Macmillan.

Cita Chicago (17th ed.)

Allaby, Michael. Dictionary of the Environment. 2nd ed. London: Macmillan, 1987.

Cita MLA (9th ed.)

Allaby, Michael. Dictionary of the Environment. 2nd ed. Macmillan, 1987.