APA (7th ed.) Citation

United States. Federal Highway Administration. Office of Research, United States. Federal Highway Administration. Office of Development, & Petrykanyn, J. (1979). Study of the effectiveness of reduced visibility guidance techniques. Federal Highway Administration, [Office of Research].

Chicago Style (17th ed.) Citation

United States. Federal Highway Administration. Office of Research, United States. Federal Highway Administration. Office of Development, and J. Petrykanyn. Study of the Effectiveness of Reduced Visibility Guidance Techniques. Washington: Federal Highway Administration, [Office of Research], 1979.

MLA (9th ed.) Citation

United States. Federal Highway Administration. Office of Research, et al. Study of the Effectiveness of Reduced Visibility Guidance Techniques. Federal Highway Administration, [Office of Research], 1979.