APA (7th ed.) Citation

Great Britain. Department of Transport & Great Britain. Government Statistical Service. Road lengths in Great Britain. HMSO.

Chicago Style (17th ed.) Citation

Great Britain. Department of Transport and Great Britain. Government Statistical Service. Road Lengths in Great Britain. London: HMSO.

MLA (9th ed.) Citation

Great Britain. Department of Transport and Great Britain. Government Statistical Service. Road Lengths in Great Britain. HMSO.

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