APA (7th ed.) Citation

Lefebure, V. (1921). The riddle of the Rhine : chemical strategy in peace and war: Chemical strategy in peace and war. Collins.

Chicago Style (17th ed.) Citation

Lefebure, Victor. The Riddle of the Rhine : Chemical Strategy in Peace and War: Chemical Strategy in Peace and War. London ; Glasgow: Collins, 1921.

MLA (9th ed.) Citation

Lefebure, Victor. The Riddle of the Rhine : Chemical Strategy in Peace and War: Chemical Strategy in Peace and War. Collins, 1921.

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