APA (7th ed.) Citation

NHS Estates. (1994). Safe-to-work permit for low voltage systems made dead / NHS Estates. HMSO.

Chicago Style (17th ed.) Citation

NHS Estates. Safe-to-work Permit for Low Voltage Systems Made Dead / NHS Estates. London: HMSO, 1994.

MLA (9th ed.) Citation

NHS Estates. Safe-to-work Permit for Low Voltage Systems Made Dead / NHS Estates. HMSO, 1994.

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