APA (7th ed.) Citation

Tong, B., & Baker, H. D. R. (1993). Chinese in three months. Hugo's Language Books.

Chicago Style (17th ed.) Citation

Tong, Bingzheng, and H. D. R. Baker. Chinese in Three Months. Woodbridge, Suffolk, Great Britain: Hugo's Language Books, 1993.

MLA (9th ed.) Citation

Tong, Bingzheng, and H. D. R. Baker. Chinese in Three Months. Hugo's Language Books, 1993.