APA

United States, . (1977). Code of federal regulations. Washington, D.C: Office of the Federal Register, National Archives and Records Service, General Services Administration.

Chicago

United States, . 1977. Code of federal regulations. Washington, D.C: Office of the Federal Register, National Archives and Records Service, General Services Administration.

Harvard

United States, . (1977). Code of federal regulations. Washington, D.C: Office of the Federal Register, National Archives and Records Service, General Services Administration.

MLA

United States, . Code of federal regulations. Washington, D.C: Office of the Federal Register, National Archives and Records Service, General Services Administration. 1977.