APA (7th ed.) Citation

Great Britain. Department of the Energy, Central Electricity Generating Board, & Severn Tidal Power Group. (1989). The Severn Barrage project : general report 1989: General report 1989. HMSO.

Chicago Style (17th ed.) Citation

Great Britain. Department of the Energy, Central Electricity Generating Board, and Severn Tidal Power Group. The Severn Barrage Project : General Report 1989: General Report 1989. London: HMSO, 1989.

MLA (9th ed.) Citation

Great Britain. Department of the Energy, et al. The Severn Barrage Project : General Report 1989: General Report 1989. HMSO, 1989.

Warning: These citations may not always be 100% accurate.