Quiz on railroads and railroading :
450 questions and answers.
APA Citation
Association of American Railroads. (1947). Quiz on railroads and railroading: 450 questions and answers. [6th ed.]. [Washington, D.C.: Association of American Railroads.
MLA Citation
Association of American Railroads. Quiz On Railroads And Railroading: 450 Questions And Answers. [6th ed.]. [Washington, D.C.: Association of American Railroads, 1947.
Warning: These citations may not always be complete (especially for serials).