APA (7th ed.) Citation

Beevor. (2005). The mystery of Olga Chekhova. Penguin Books.

Chicago Style (17th ed.) Citation

Beevor. The Mystery of Olga Chekhova. London: Penguin Books, 2005.

MLA (8th ed.) Citation

Beevor. The Mystery of Olga Chekhova. Penguin Books, 2005.

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