APA (7th ed.) Citation

United States. Federal Highway Administration. (1968). A handbook of highway safety design and operating practices. For sale by the Supt. of Docs., U.S. Govt. Print. Off..

Chicago Style (17th ed.) Citation

United States. Federal Highway Administration. A Handbook of Highway Safety Design and Operating Practices. Washington,: For sale by the Supt. of Docs., U.S. Govt. Print. Off., 1968.

MLA (8th ed.) Citation

United States. Federal Highway Administration. A Handbook of Highway Safety Design and Operating Practices. For sale by the Supt. of Docs., U.S. Govt. Print. Off., 1968.