APA (7th ed.) Citation

Clark, I. G. (1958). Then came the railroads: The century from steam to diesel in the Southwest ([1st ed.].). University of Oklahoma Press.

Chicago Style (17th ed.) Citation

Clark, Ira G. Then Came the Railroads: The Century from Steam to Diesel in the Southwest. [1st ed.]. Norman: University of Oklahoma Press, 1958.

MLA (9th ed.) Citation

Clark, Ira G. Then Came the Railroads: The Century from Steam to Diesel in the Southwest. [1st ed.]. University of Oklahoma Press, 1958.