APA (7th ed.) Citation

Tremain, D. (2019). The most beautiful spy: The life and crimes of Vera Eriksen. The History Press.

Chicago Style (17th ed.) Citation

Tremain, David. The Most Beautiful Spy: The Life and Crimes of Vera Eriksen. Stroud: The History Press, 2019.

MLA (9th ed.) Citation

Tremain, David. The Most Beautiful Spy: The Life and Crimes of Vera Eriksen. The History Press, 2019.

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