APA (7th ed.) Citation

Koestler, A. (1976). The thirteenth tribe: The Khazar empire and its heritage. Hutchinson.

Chicago Style (17th ed.) Citation

Koestler, Arthur. The Thirteenth Tribe: The Khazar Empire and Its Heritage. London: Hutchinson, 1976.

MLA (8th ed.) Citation

Koestler, Arthur. The Thirteenth Tribe: The Khazar Empire and Its Heritage. Hutchinson, 1976.

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