APA (7th ed.) Citation

Knop, W., & King-Hall, S. (1939). Beware the English!: German propaganda exposes England. Hamish Hamilton.

Chicago Style (17th ed.) Citation

Knop, W.G.J, and Stephen King-Hall. Beware the English!: German Propaganda Exposes England. London: Hamish Hamilton, 1939.

MLA (8th ed.) Citation

Knop, W.G.J, and Stephen King-Hall. Beware the English!: German Propaganda Exposes England. Hamish Hamilton, 1939.