MLA

Xu, Zhichang, David Deterding, and Deyuan He. Researching Chinese English: the State of the Art. Springer International Publishing, 2017.

APA

Xu, Z., Deterding, D., & He, D. (2017). Researching Chinese English: the State of the Art. Springer International Publishing.

Chicago

Xu, Zhichang, David Deterding, and Deyuan He. Researching Chinese English: the State of the Art. : Springer International Publishing, 2017.