Looking for sources? Search EBSCO or QuickSearch.
Example:
Let's cite the following historical U.S. Supreme Court opinon: Brown v. Board of Education
We will get it from Cornell's Legal Information Institute
MLA style citation
United States, Supreme Court. Brown v. Board of Education. 17 May 1954. Legal Information Institute, Cornell U Law School, www.law.cornell.edu/supremecourt/text/347/483/USSC_PRO_347_483_1.
Core elements
Author Element: United States, Supreme Court.
Title Element: Brown v. Board of Education.
Date Element: 17 May 1954.
Container Element: Legal Information Institute
Publisher Element: Cornell U Law School
Location Element: www.law.cornell.edu/supremecourt/text/347/483/USSC_PRO_347_483_1.
When U.S. Supreme Court justices disagree with the majority decision, one or more may write dissenting opinions. These are not part of the decision, and they are written by a single author as opposed to a group author.
Example
Ginsburg, Ruth Bader. Dissenting opinion. Lily Ledbetter v. Goodyear Tire and Rubber Co. United States Reports, vol. 550, 29 May 2007, pp. 643-61. Supreme Court of the United States, www.supremecourt.gov/opinions/boundvolumes.aspx.
To cite federal statutes, you have two choices:
Public Laws
United States, Congress. Public Law 111-122. United States Statutes at Large, vol. 123, 2009, pp. 3480-82. U.S. Government Publishing Office, www.gpo.gov/fdsys/pkg/STATUTE-123/pdf/STATUTE-123.pdf.
Federal Appeals Court Decisions
United States, Court of Appeals for the Second Circuit. Moss v. Colvin. Docket no. 15-2272, 9 Jan. 2017. United States Court of Appeals for the Second Circuit, www.ca2.uscourts.gov /decisions.html. PDF download.
Federal Bills
United States, Congress, House. Improving Broadband Access for Veterans Act of 2016. Congress.gov, www.congress.gov/bill/114th-congress/house-bill/6394/text. 114th Congress, 2nd session, House Resolution 6394, passed 6 Dec. 2016.
Hearings
United States, Congress, House, Committee on Education and Labor. The Future of Learning: How Technology Is Transforming Public Schools. United States Government Publishing Office, 16 June 2009, www.gpo.gov/fdsys/pkg/CHRG-111hhrg50208/html/CHRG-111hhrg50208.htm. Text transcription of hearing.
Executive Orders
United States, Executive Office of the President [Barack Obama]. Executive order 13717: Establishing a Federal Earthquake Risk Management Standard. 2 Feb. 2016. Federal Register, vol. 81, no. 24, 5 Feb. 2016, pp. 6405-10, www.gpo.gov/fdsys/pkg/FR-2016-02-05/pdf/2016-02475.pdf.
State Court of Appeals, Unpublished Decisions
Minnesota State, Court of Appeals. Minnesota v. McArthur. 28 Sept. 1999, mn.gov/law-library-stat/archive//ctapun/9909/502.htm. Unpublished opinion.
State Senate Bills
Wisconsin State, Legislature. Senate Bill 5. Wisconsin State Legislature, 20 Jan. 2017, docs.legis.wisconsin.gov/2017/related/proposals/sb5.
Constitutions
If a constitution is published in a named edition, treat it like the title of a book:
The Constitution of the United States: A Transcription. National Archives, United States National Archives and Records Administration, 28 Feb. 2017, www.archives.gov/founding-docs/constitution-transcript#toc-article-iv-.
The Constitution of the United States, with Case Summaries. Edited by Edward Conrad Smith, 9th ed., Barnes and Noble Books, 1972.
References to the United States Constitution in your prose should follow the usual styling of titles of laws:
the Constitution
But your in-text reference should key readers to the appropriate entry:
(Constitution of the United States, with Case Summaries)
If the title does not indicate the country of origin, specify it in the entry:
France. Le constitution. 4 Oct. 1958. Legifrance, www.legifrance.gouv.fr/Droit-francais/Constitution/Constitution-du-4-octobre-1958.
Treaties
Kyoto Protocol to the United Nations Framework Convention on Climate Change. United Nations, nfccc.int/resource/docs/convkp/kpeng.pdf. Multilateral treaty.
United States, Senate. Beijing Treaty on Audiovisual Performances. Congress.gov, www.congress.gov/114/cdoc/tdoc8/CDOC-114tdoc8.pdf. Treaty between the United States and the People’s Republic of China.