Cita APA

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

Citación estilo Chicago

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

Cita MLA

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

Warning: These citations may not always be 100% accurate.