APA (7th ed.) Citation

Canada. Water Pollution Control Directorate & Canada. Environmental Protection Service. Water Pollution Control Directorate publications. =: Les Publications de la Direction generale de la lutte contre la pollution des eaux. Environment Canada, Environmental Protection Service.

Chicago Style (17th ed.) Citation

Canada. Water Pollution Control Directorate and Canada. Environmental Protection Service. Water Pollution Control Directorate Publications. =: Les Publications De La Direction Generale De La Lutte Contre La Pollution Des Eaux. [Hull, Que.]: Environment Canada, Environmental Protection Service.

MLA (9th ed.) Citation

Canada. Water Pollution Control Directorate and Canada. Environmental Protection Service. Water Pollution Control Directorate Publications. =: Les Publications De La Direction Generale De La Lutte Contre La Pollution Des Eaux. Environment Canada, Environmental Protection Service.