APA (7th ed.) Citation

Boyle, J. A. (1977). The Mongol world empire: 1206 - 1370. Variorum Repr.

Chicago Style (17th ed.) Citation

Boyle, John Andrew. The Mongol World Empire: 1206 - 1370. London: Variorum Repr, 1977.

MLA (9th ed.) Citation

Boyle, John Andrew. The Mongol World Empire: 1206 - 1370. Variorum Repr, 1977.

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