APA (7th ed.) Citation

Mao, N. K., & Liu, C. (1977). Li Yu. Twayne Publishers.

Chicago Style (17th ed.) Citation

Mao, Nathan K., and Cunren Liu. Li Yu. Boston: Twayne Publishers, 1977.

MLA (9th ed.) Citation

Mao, Nathan K., and Cunren Liu. Li Yu. Twayne Publishers, 1977.