APA (7th ed.) Citation

British Standards Institution. (1976). Code of practice for flues and air supply for gas appliances of rated input not exceeding 60kW (1st and 2nd family gases). British Standards Institution.

Chicago Style (17th ed.) Citation

British Standards Institution. Code of Practice for Flues and Air Supply for Gas Appliances of Rated Input Not Exceeding 60kW (1st and 2nd Family Gases). London: British Standards Institution, 1976.

MLA (8th ed.) Citation

British Standards Institution. Code of Practice for Flues and Air Supply for Gas Appliances of Rated Input Not Exceeding 60kW (1st and 2nd Family Gases). British Standards Institution, 1976.