Lewty, P. J. (1987). To the Columbia gateway: The Oregon Railway and the Northern Pacific, 1879-1884. Washington State University Press.
Chicago Style (17th ed.) CitationLewty, Peter J. To the Columbia Gateway: The Oregon Railway and the Northern Pacific, 1879-1884. Pullman, Wash.: Washington State University Press, 1987.
MLA引文Lewty, Peter J. To the Columbia Gateway: The Oregon Railway and the Northern Pacific, 1879-1884. Washington State University Press, 1987.
警告：這些引文格式不一定是100％准確.