APA引文

Ball, D. (1980). America's railroads: The second generation. New York: Norton.

Trích dẫn kiểu Chicago

Ball, 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.