APA (7th ed.) Citation

O'Neill, H. C. (1949). A short History of the second world war and its social and political significance.

Chicago Style (17th ed.) Citation

O'Neill, Herbert Charles. A Short History of the Second World War and Its Social and Political Significance. 1949.

MLA (9th ed.) Citation

O'Neill, Herbert Charles. A Short History of the Second World War and Its Social and Political Significance. 1949.

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