Do not use full stops in abbreviations. Separate citations with a semi-colon.
Give the party names, followed by the neutral citation, followed by the Law Reports citation (eg AC, Ch, QB). If there is no neutral citation, give the Law Reports citation followed by the court in brackets. If the case is not reported in the Law Reports, cite the All ER or the WLR, or failing that a specialist report.
Corr v IBC Vehicles Ltd  UKHL 13,  1 AC 884
R (Roberts) v Parole Board  EWCA Civ 1031,  QB 410
Page v Smith  AC 155 (HL)
When pinpointing, give paragraph numbers in square brackets at the end of the citation. If the judgment has no paragraph numbers, provide the page number pinpoint after the court.
Callery v Gray  EWCA Civ 1117,  1 WLR 2112 , 
Bunt v Tilley  EWHC 407 (QB),  3 All ER 336 –
R v Leeds County Court, ex p Morris  QB 523 (QB) 530–31
If citing a particular judge:
Arscott v The Coal Authority  EWCA Civ 892,  Env LR 6  (Laws LJ)
Statutes and statutory instruments
Act of Supremacy 1558
Human Rights Act 1998, s 15(1)(b)
Penalties for Disorderly Behaviour (Amendment of Minimum Age) Order 2004, SI 2004/3166
EU legislation and cases
Consolidated Version of the Treaty on European Union  OJ C115/13
Council Regulation (EC) 139/2004 on the control of concentrations between undertakings (EC Merger Regulation)  OJ L24/1, art 5
Case C–176/03 Commission v Council  ECR I–7879, paras 47–48
European Court of Human Rights
Omojudi v UK (2009) 51 EHRR 10
Osman v UK ECHR 1998–VIII 3124
Balogh v Hungary App no 47940/99 (ECHR, 20 July 2004)
Simpson v UK (1989) 64 DR 188