APA (7th ed.) Citation

Kulski, W. W., & Vansittart, R. G. (1941). Thus spake Germany. G. Routledge & Sons Ltd.

Chicago Style (17th ed.) Citation

Kulski, Władysław Wszebór, and Robert Gilbert Vansittart. Thus Spake Germany. London: G. Routledge & Sons Ltd, 1941.

MLA (8th ed.) Citation

Kulski, Władysław Wszebór, and Robert Gilbert Vansittart. Thus Spake Germany. G. Routledge & Sons Ltd, 1941.