APA

United States, . (1975). Letter to Speaker of House President of the Senate. [Washington, D.C: .

Chicago

United States, . 1975. Letter to Speaker of House President of the Senate. [Washington, D.C: .

Harvard

United States, . (1975). Letter to Speaker of House President of the Senate. [Washington, D.C: .

MLA

United States, . Letter to Speaker of House President of the Senate. [Washington, D.C: . 1975.