Citação norma APA

Association of American Railroads. Railroad Committee for the Study of Transportation. (1940). The economics of weight reduction in freight carrying railroad cars.

Citação norma Chicago

Association of American Railroads. Railroad Committee for the Study of Transportation. The Economics of Weight Reduction in Freight Carrying Railroad Cars. [Washington?, 1940.

Citação norma MLA

Association of American Railroads. Railroad Committee for the Study of Transportation. The Economics of Weight Reduction in Freight Carrying Railroad Cars. 1940.

Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.