Cita APA (7th ed.)

(1969). Water in the unsaturated zone: Proceedings of the Wageningen Symposium. Unesco.

Cita Chicago (17th ed.)

Water in the Unsaturated Zone: Proceedings of the Wageningen Symposium. Paris: Unesco, 1969.

Cita MLA (9th ed.)

Water in the Unsaturated Zone: Proceedings of the Wageningen Symposium. Unesco, 1969.