APA

United States, . (1995). GPO access: a service of the U.S. Government Printing Office. Washington, D.C: U.S. G.P.O.

Chicago

United States, . 1995. GPO access: a service of the U.S. Government Printing Office. Washington, D.C: U.S. G.P.O.

Harvard

United States, . (1995). GPO access: a service of the U.S. Government Printing Office. Washington, D.C: U.S. G.P.O.

MLA

United States, . GPO access: a service of the U.S. Government Printing Office. Washington, D.C: U.S. G.P.O. 1995.