EU legislation includes treaties and protocols. Legislation is published in the L series.
Format:
Title of the legislation including amendments if necessary | [year] | OJ series | issue/first page.
Footnote
Consolidated version of the Treaty on European Union [2012] OJ C326/13.
Bibliograhpy
This is the same as the footnote but without the full stop at the end.
As of 1 January 2015, the numbering of EU legislation has changed, and EU legislation now has a unique sequential number.
Format: Legislation type | number | title | [year] | OJ L issue/first page.
Footnote (Directive)
Council Directive (EU) 2018/822 of 25 May 2018 amending Directive 2011/16/EU as regards mandatory automatic exchange of information in the field of taxation in relation to reportable cross-border arrangements [2018] OJ L139/1.
Footnote (Regulation): Council Regulation (EC) 1984/2003 of 8 April 2003 introducing a system for the statistical monitoring of trade in bluefin tuna, swordfish and big eye tuna with the Community [2003] OJ L295/1.
Notice how the year comes before the running number in the case of Directives and after in the case of regulations.
Bibliograhpy
This is the same as the footnote but without the full stop at the end.