United States. Department of Transportation. Office of University Research, University of Pennsylvania. Transportation Studies Center, & Tomazinis, A. R. (1977). A study of efficiency indicators of urban public transportation systems. Dept. of Transportation, Office of the Secretary, Office of University Research.
Chicago Style (17th ed.) CitationUnited States. Department of Transportation. Office of University Research, University of Pennsylvania. Transportation Studies Center, and Anthony R. Tomazinis. A Study of Efficiency Indicators of Urban Public Transportation Systems. Washington: Dept. of Transportation, Office of the Secretary, Office of University Research, 1977.
MLA (9th ed.) CitationUnited States. Department of Transportation. Office of University Research, et al. A Study of Efficiency Indicators of Urban Public Transportation Systems. Dept. of Transportation, Office of the Secretary, Office of University Research, 1977.