Cita APA (7th ed.)

Goudie, A. (1986). The human impact on the natural enviournment (2nd.). Basil blackwell.

Cita Chicago (17th ed.)

Goudie, Andrew. The Human Impact on the Natural Enviournment. 2nd. Oxford: Basil blackwell, 1986.

Cita MLA (9th ed.)

Goudie, Andrew. The Human Impact on the Natural Enviournment. 2nd. Basil blackwell, 1986.