Cita APA (7th ed.)
Koestler, A. The Thirteenth Tribe: The Khazar Empire and its Heritage. Picador : Pan Books.
Cita Chicago (17th ed.)
Koestler, Arthur. The Thirteenth Tribe: The Khazar Empire and Its Heritage. Londres, Inglaterra: Picador : Pan Books.
Cita MLA (9th ed.)
Koestler, Arthur. The Thirteenth Tribe: The Khazar Empire and Its Heritage. Picador : Pan Books.
Atenció: Aquestes cites poden no estar 100% correctes.