APA (7th ed.) Citation

Paris Symposium on the Problems of the Arid Zone. (1962). The problems of the arid zone: Proceedings of the Paris Symposium. UNESCO.

Chicago Style (17th ed.) Citation

Paris Symposium on the Problems of the Arid Zone. The Problems of the Arid Zone: Proceedings of the Paris Symposium. [Paris]: UNESCO, 1962.

MLA (8th ed.) Citation

Paris Symposium on the Problems of the Arid Zone. The Problems of the Arid Zone: Proceedings of the Paris Symposium. UNESCO, 1962.