IUCN Secretariat. (1973). A Working system for classification of World Vegetation. Morges, Switzerland: International union for conservation of nature and natural resources.
Chicago Style CitationIUCN Secretariat. A Working System for Classification of World Vegetation. Morges, Switzerland: International union for conservation of nature and natural resources, 1973.
MLA CitationIUCN Secretariat. A Working System for Classification of World Vegetation. Morges, Switzerland: International union for conservation of nature and natural resources, 1973.
Warning: These citations may not always be 100% accurate.