Cita APA

Warren, K. (1973). The American steel industry 1850-1970: A geographical interpretation. Oxford: Clarendon.

Chicago Style Citation

Warren, Kenneth. The American Steel Industry 1850-1970: A Geographical Interpretation. Oxford: Clarendon, 1973.

Cita MLA

Warren, Kenneth. The American Steel Industry 1850-1970: A Geographical Interpretation. Oxford: Clarendon, 1973.

Atenció: Aquestes cites poden no estar 100% correctes.