APA (7th ed.) Citation

Werth, A. (1940). The last days of Paris: A journalist's diary. Hamilton.

Chicago Style (17th ed.) Citation

Werth, Alexander. The Last Days of Paris: A Journalist's Diary. London: Hamilton, 1940.

MLA (9th ed.) Citation

Werth, Alexander. The Last Days of Paris: A Journalist's Diary. Hamilton, 1940.