APA (7th ed.) Citation

Backus, C. (1981). The Nan-chao kingdom and Tang China's southwestern frontier. Cambridge University Press.

Chicago Style (17th ed.) Citation

Backus, Charles. The Nan-chao Kingdom and Tang China's Southwestern Frontier. Cambridge [Cambridgeshire] ; New York: Cambridge University Press, 1981.

MLA (9th ed.) Citation

Backus, Charles. The Nan-chao Kingdom and Tang China's Southwestern Frontier. Cambridge University Press, 1981.