FAO. (1989). Arid zone forestry: A guide for field technicians. FAO.
Chicago Style (17th ed.) CitationFAO. Arid Zone Forestry: A Guide for Field Technicians. Roma: FAO, 1989.
MLA (9th ed.) CitationFAO. Arid Zone Forestry: A Guide for Field Technicians. FAO, 1989.