Cita APA (7a ed.)

Koestler, A. (1977). The Thirteenth tribe: The Khazar Empire and its heritage. Pan Books.

Cita Chicago Style (17a ed.)

Koestler, Arthur. The Thirteenth Tribe: The Khazar Empire and Its Heritage. London: Pan Books, 1977.

Cita MLA (9a ed.)

Koestler, Arthur. The Thirteenth Tribe: The Khazar Empire and Its Heritage. Pan Books, 1977.