The Court of Justice of the European Union (CJEU) is divided into two courts: the Court of Justice and the General Court (known as the Court of First Instance until 2009).
This guidance applies whether you found the judgment in print or online.
case number | case name | [year] | report abbreviation | first page
Footnote (if you HAVE given the case number and name in the text of your work):
e.g.  ECR II-2905
Footnote (if you HAVE NOT given the case number and name in the text of your work):
e.g. Case T-340/99 Arne Mathisen AS v Council  ECR II-2905
e.g. Arne Mathisen AS v Council (T-340/99)  ECR II-2905
To pinpoint a paragraph, follow the citation with a comma then ‘para’ and the paragraph number. To pinpoint several paragraphs, follow the citation with a comma then ‘paras’ and insert a dash between the paragraph numbers:
e.g. Case T-340/99 Arne Mathisen AS v Council  ECR II-2905, para 19
The case number includes a prefix, which indicates the court:
Follow the prefix with a dash - and the case number.
The year is always given in [square brackets].
If possible, use the official European Court Reports (ECR):
The volume number is given in roman numerals and is connected to the page number with a dash -.
If an ECR reference is not available, use the Common Market Law Reports or the All England Law Reports (European Cases).