Cita APA (7th ed.)

Goudie, A. (1986). The human impact: On the natural environment. Blackwell.

Cita Chicago (17th ed.)

Goudie, Andrew. The Human Impact: On the Natural Environment. Oxford: Blackwell, 1986.

Cita MLA (9th ed.)

Goudie, Andrew. The Human Impact: On the Natural Environment. Blackwell, 1986.

Atenció: Aquestes cites poden no estar 100% correctes.