APA (7th ed.) Citation

Zilliacus, K. (1946). Mirror of the past, a history of secret diplomacy. Current books, inc., A.A. Wyn.

Chicago Style (17th ed.) Citation

Zilliacus, K. Mirror of the Past, a History of Secret Diplomacy. New York: Current books, inc., A.A. Wyn, 1946.

MLA (9th ed.) Citation

Zilliacus, K. Mirror of the Past, a History of Secret Diplomacy. Current books, inc., A.A. Wyn, 1946.