APA (7th ed.) Citation

Davis, C. B., Wilburn, K. E., & Robinson, R. (1991). Railway imperialism. Greenwood Press.

Chicago Style (17th ed.) Citation

Davis, Clarence B., Kenneth E. Wilburn, and Ronald Robinson. Railway Imperialism. New York: Greenwood Press, 1991.

MLA (9th ed.) Citation

Davis, Clarence B., et al. Railway Imperialism. Greenwood Press, 1991.