APA (7th ed.) Citation

Karlgen, B. (1949). The Chinese language: An essay on its nature and history. Ronald Press.

Chicago Style (17th ed.) Citation

Karlgen, Bernhard. The Chinese Language: An Essay on Its Nature and History. New York: Ronald Press, 1949.

MLA (9th ed.) Citation

Karlgen, Bernhard. The Chinese Language: An Essay on Its Nature and History. Ronald Press, 1949.