APA (7th ed.) Citation

Paul, O. (1941). Farewell France!: An eyewitness account of her tragedy. Gollancz.

Chicago Style (17th ed.) Citation

Paul, Oscar. Farewell France!: An Eyewitness Account of Her Tragedy. London: Gollancz, 1941.

MLA (8th ed.) Citation

Paul, Oscar. Farewell France!: An Eyewitness Account of Her Tragedy. Gollancz, 1941.

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