Cita APA (7a ed.)

Hills, E. S. (1966). Arid lands: A geographical appraisal. Methuen ; Unesco.

Cita Chicago Style (17a ed.)

Hills, E. S. Arid Lands: A Geographical Appraisal. London : París: Methuen ; Unesco, 1966.

Cita MLA (8a ed.)

Hills, E. S. Arid Lands: A Geographical Appraisal. Methuen ; Unesco, 1966.