APA (7th ed.) Citation

Association of American Railroads. Bureau of Railway Economics. Library & Richardson, H. R. (1952). United States Railroad Administration publications: A bibliography. [publisher not identified].

Chicago Style (17th ed.) Citation

Association of American Railroads. Bureau of Railway Economics. Library and Helen R. Richardson. United States Railroad Administration Publications: A Bibliography. Washington: [publisher not identified], 1952.

MLA (9th ed.) Citation

Association of American Railroads. Bureau of Railway Economics. Library and Helen R. Richardson. United States Railroad Administration Publications: A Bibliography. [publisher not identified], 1952.