Sewell, W. R. D., & Foster, H. D. (1976). Images of Canadian futures: The role of conservation and renewable energy. Environment Canada.
芝加哥风格引文Sewell, W. R. Derrick, 与 Harold D. Foster. Images of Canadian Futures: The Role of Conservation and Renewable Energy. Ottawa: Environment Canada, 1976.
MLA引文Sewell, W. R. Derrick, 与 Harold D. Foster. Images of Canadian Futures: The Role of Conservation and Renewable Energy. Environment Canada, 1976.
警告：这些引文格式不一定是100％准确.