Cita APA

Warren, K. (1975). World steel: An economic geography. New York: Crane, Russak.

Chicago Style Citation

Warren, Kenneth. World Steel: An Economic Geography. New York: Crane, Russak, 1975.

Cita MLA

Warren, Kenneth. World Steel: An Economic Geography. New York: Crane, Russak, 1975.

Atenció: Aquestes cites poden no estar 100% correctes.