APA (7th ed.) Citation

United Nations. Environment Programme, Middleton, N. J., & Thomas, D. S. G. (1997). World atlas of desertification / co-ordinating editors: Nick Middleton and David Thomas (2nd ed.). Arnold.

Chicago Style (17th ed.) Citation

United Nations. Environment Programme, Nicholas J. Middleton, and David S. G. Thomas. World Atlas of Desertification / Co-ordinating Editors: Nick Middleton and David Thomas. 2nd ed. London: Arnold, 1997.

MLA (9th ed.) Citation

United Nations. Environment Programme, et al. World Atlas of Desertification / Co-ordinating Editors: Nick Middleton and David Thomas. 2nd ed. Arnold, 1997.

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