MLA

Wang, Beichang (Bert) He, and Qishen Wang. Qualitative Theory In Structural Mechanics. Springer Singapore, 2019.

APA

Wang, W., He, B. (Bert), & Wang, Q. (2019). Qualitative Theory in Structural Mechanics. Springer Singapore.

Chicago

Wang, Beichang (Bert) He, and Qishen Wang. Qualitative Theory In Structural Mechanics. : Springer Singapore, 2019.