APA (7th ed.) Citation

Liddell Hart, B. H. (1944). Why don't we learn from history? Allen.

Chicago Style (17th ed.) Citation

Liddell Hart, Basil Henry. Why Don't We Learn from History? London: Allen, 1944.

MLA (8th ed.) Citation

Liddell Hart, Basil Henry. Why Don't We Learn from History? Allen, 1944.