Cita APA (7th ed.)

Edited by Wilhitc , D. A. (2000). Drought: A global assessment. Routledge.

Cita Chicago (17th ed.)

Edited by Wilhitc , Donald A. Drought: A Global Assessment. London: Routledge, 2000.

Cita MLA (9th ed.)

Edited by Wilhitc , Donald A. Drought: A Global Assessment. Routledge, 2000.