APA (7th ed.) Citation

Pounds, N. J. G. (1952). The Ruhr : a study in historical and economic geography / by N.J.G. Pounds: A study in historical and economic geography. Faber.

Chicago Style (17th ed.) Citation

Pounds, Norman J. G. The Ruhr : A Study in Historical and Economic Geography / by N.J.G. Pounds: A Study in Historical and Economic Geography. Faber, 1952.

MLA (9th ed.) Citation

Pounds, Norman J. G. The Ruhr : A Study in Historical and Economic Geography / by N.J.G. Pounds: A Study in Historical and Economic Geography. Faber, 1952.

Warning: These citations may not always be 100% accurate.