MLA

Liu, and Zhenhua Duan. Structured Object-oriented Formal Language and Method. Springer International Publishing, 2015.

APA

Liu, L., & Duan, Z. (2015). Structured Object-Oriented Formal Language and Method. Springer International Publishing.

Chicago

Liu, and Zhenhua Duan. Structured Object-Oriented Formal Language and Method. : Springer International Publishing, 2015.