APA (7th ed.) Citation

E.7. (1940). Women spies I have known (4th impression.). Hurst & Blankett.

Chicago Style (17th ed.) Citation

E.7. Women Spies I Have Known. 4th impression. London: Hurst & Blankett, 1940.

MLA (8th ed.) Citation

E.7. Women Spies I Have Known. 4th impression. Hurst & Blankett, 1940.

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