Ball, D. (1980). America's railroads: The second generation. New York: Norton.
Trích dẫn kiểu ChicagoBall, Don. America's Railroads: The Second Generation. New York: Norton, 1980.
MLA引文Ball, Don. America's Railroads: The Second Generation. New York: Norton, 1980.
警告：这些引文格式不一定是100％准确.