एपीए उद्धरण

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

शिकागो स्टाइल उद्धरण

Ball, Don. America's Railroads: The Second Generation. New York: Norton, 1980.

एमएलए उद्धरण

Ball, Don. America's Railroads: The Second Generation. New York: Norton, 1980.