Canada. Environmental Protection Programs Directorate. Technical Services Branch & Canada. Environmental Protection Service. (1984). Sulphur: Environmental and technical information for problem spills. The Service.
Chicago Style (17th ed.) CitationCanada. Environmental Protection Programs Directorate. Technical Services Branch and Canada. Environmental Protection Service. Sulphur: Environmental and Technical Information for Problem Spills. Ottawa, Ont.: The Service, 1984.
MLA (8th ed.) CitationCanada. Environmental Protection Programs Directorate. Technical Services Branch and Canada. Environmental Protection Service. Sulphur: Environmental and Technical Information for Problem Spills. The Service, 1984.
Warning: These citations may not always be 100% accurate.