APA (7th ed.) Citation

Koch, H. W. (1983). Hitler's 'programme' and the genesis of operation 'Barbarossa'. The historical journal.

Chicago Style (17th ed.) Citation

Koch, Hansjoachim W. "Hitler's 'Programme' and the Genesis of Operation 'Barbarossa'." The Historical Journal 1983.

MLA (8th ed.) Citation

Koch, Hansjoachim W. "Hitler's 'Programme' and the Genesis of Operation 'Barbarossa'." The Historical Journal, 1983.

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