APA

United States, . (1957). Traffic safety: hearings before subcommittee, 84th Congress, 2d session, on investigation of highway traffic accidents (pursuant to H. Res. 357), July 16-Sept. 28, 1956. [Washington, D.C.]: .

Chicago

United States, . 1957. Traffic safety: hearings before subcommittee, 84th Congress, 2d session, on investigation of highway traffic accidents (pursuant to H. Res. 357), July 16-Sept. 28, 1956. [Washington, D.C.]: .

Harvard

United States, . (1957). Traffic safety: hearings before subcommittee, 84th Congress, 2d session, on investigation of highway traffic accidents (pursuant to H. Res. 357), July 16-Sept. 28, 1956. [Washington, D.C.]: .

MLA

United States, . Traffic safety: hearings before subcommittee, 84th Congress, 2d session, on investigation of highway traffic accidents (pursuant to H. Res. 357), July 16-Sept. 28, 1956. [Washington, D.C.]: . 1957.