APA (7th ed.) Citation

Great Britain, Butterworths (Firm), & Halsbury, H. S. G. Halsbury's statutory instruments: Being a companion work to Halsbury statutes of England. Butterworth.

Chicago Style (17th ed.) Citation

Great Britain, Butterworths (Firm), and Hardinge Stanley Giffard Halsbury. Halsbury's Statutory Instruments: Being a Companion Work to Halsbury Statutes of England. London: Butterworth.

MLA (9th ed.) Citation

Great Britain, et al. Halsbury's Statutory Instruments: Being a Companion Work to Halsbury Statutes of England. Butterworth.

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