Cita APA (7th ed.)

Bush, M. B. (1997). Ecology of a changing planet. Prentice hall.

Cita Chicago (17th ed.)

Bush, Mark B. Ecology of a Changing Planet. New Jersey: Prentice hall, 1997.

Cita MLA (9th ed.)

Bush, Mark B. Ecology of a Changing Planet. Prentice hall, 1997.