APA (7th ed.) Citation

Great Britain. Department of Transport. (1995). Know your traffic signs / Department of Transport (4th ed.). HMSO.

Chicago Style (17th ed.) Citation

Great Britain. Department of Transport. Know Your Traffic Signs / Department of Transport. 4th ed. London: HMSO, 1995.

MLA (9th ed.) Citation

Great Britain. Department of Transport. Know Your Traffic Signs / Department of Transport. 4th ed. HMSO, 1995.

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