APA (7th ed.) Citation

Rachewiltz, I. d. (1971). Papal envoys to the great khans. Stanford University Press.

Chicago Style (17th ed.) Citation

Rachewiltz, Igor de. Papal Envoys to the Great Khans. Stanford, Calif.: Stanford University Press, 1971.

MLA (9th ed.) Citation

Rachewiltz, Igor de. Papal Envoys to the Great Khans. Stanford University Press, 1971.