APA
(1999). United States code service:conservation 1531-2700 title 16 USCS. Charlottesville: Lexis Law.
Chicago
1999. United States code service:conservation 1531-2700 title 16 USCS. Charlottesville: Lexis Law.
Harvard
(1999). United States code service:conservation 1531-2700 title 16 USCS. Charlottesville: Lexis Law.
MLA
United States code service:conservation 1531-2700 title 16 USCS. Charlottesville: Lexis Law. 1999.