Cita APA (7th ed.)

Collin, P. (1995). Dictionary of ecology and the environment (3rd ed.). UBS.

Cita Chicago (17th ed.)

Collin, P.H. Dictionary of Ecology and the Environment. 3rd ed. New Delhi: UBS, 1995.

Cita MLA (9th ed.)

Collin, P.H. Dictionary of Ecology and the Environment. 3rd ed. UBS, 1995.