Statistics of railways, United States
MLA
Statistics of Railways, United States. Bureau of Railway Economics ... Bulletin. Washington, D.C.: Bureau of Railway Economics, 1914-18
APA, 7th edition
(1914-18). Statistics of railways, United States. Bureau of Railway Economics ... Bulletin. Washington, D.C.: Bureau of Railway Economics
Chicago, 17th edition
Statistics of railways, United States. Bureau of Railway Economics ... Bulletin. Washington, D.C.: Bureau of Railway Economics, 1914-18