APA

United States. |b Superintendent of Documents. |b Library Programs Service, .Federal depository library directory. Washington, D.C. : |b Library Programs Service, Superintendent of Documents, U.S. Government Printing Office: .

Chicago

United States. |b Superintendent of Documents. |b Library Programs Service, .Federal depository library directory. Washington, D.C. : |b Library Programs Service, Superintendent of Documents, U.S. Government Printing Office: .

Harvard

United States. |b Superintendent of Documents. |b Library Programs Service, .Federal depository library directory. Washington, D.C. : |b Library Programs Service, Superintendent of Documents, U.S. Government Printing Office: .

MLA

United States. |b Superintendent of Documents. |b Library Programs Service, .Washington, D.C. : |b Library Programs Service, Superintendent of Documents, U.S. Government Printing Office: . .