How to Format U.S. Law in APA

Type the following format for the reference list when referring to a legal case:

Smith vs. Martin, 345 U.S. 123 (1934). Retrieved from Dunn University Law School, Legal Information Institute website: http://www.law.dunn.edu/sdfdf/html/law/68459694.htm

Type the reference list citation for U.S. law or code such as the following:

National Clean-Up Your Neighborhood Act of 2011, 422 U.S.C. §4312 (2011).

Reference the U.S. Constitution in the in-text citation as the following:

(U. S. Constitution)

Reference the U.S. Constitution as the following:

U.S. Constitution, Art. 3, § 4, cl. 1.