APA (7th ed.) Citation

Whiting, C. (1989). The battle of the Ruhr Pocket: April 1945 (1. publ.). Cooper.

Chicago Style (17th ed.) Citation

Whiting, Charles. The Battle of the Ruhr Pocket: April 1945. 1. publ. London: Cooper, 1989.

MLA (9th ed.) Citation

Whiting, Charles. The Battle of the Ruhr Pocket: April 1945. 1. publ. Cooper, 1989.

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