APA (7th ed.) Citation

Willis, D. E. (1971). Urban mass transportation; a bibliography. Dept. of Transportation, Library Services Division.

Chicago Style (17th ed.) Citation

Willis, Dawn E. Urban Mass Transportation; a Bibliography. Washington: Dept. of Transportation, Library Services Division, 1971.

MLA (9th ed.) Citation

Willis, Dawn E. Urban Mass Transportation; a Bibliography. Dept. of Transportation, Library Services Division, 1971.