Michigan. Department of State Highways, United States. Federal Highway Administration, Michigan. Department of State Police, & Roth, W. J. (1971). Study of rural freeway emergency communications for stranded motorists. Michigan Department of State Highways.
Chicago Style (17th ed.) CitationMichigan. Department of State Highways, United States. Federal Highway Administration, Michigan. Department of State Police, and Walter J. Roth. Study of Rural Freeway Emergency Communications for Stranded Motorists. Lansing: Michigan Department of State Highways, 1971.
MLA (9th ed.) CitationMichigan. Department of State Highways, et al. Study of Rural Freeway Emergency Communications for Stranded Motorists. Michigan Department of State Highways, 1971.
Warning: These citations may not always be 100% accurate.