Cita APA (7th ed.)

Middleton, N., & Thomas, D. (1997). World atlas of desertification (2nd ed.). Arnold.

Cita Chicago (17th ed.)

Middleton, Nick, i David Thomas. World Atlas of Desertification. 2nd ed. London: Arnold, 1997.

Cita MLA (9th ed.)

Middleton, Nick, i David Thomas. World Atlas of Desertification. 2nd ed. Arnold, 1997.