MLA

Lin, Guiping, Wei Wei, and Wuxiang Zhu. The Principle of Profit Models. Springer Berlin Heidelberg, 2015.

APA

Lin, G., Wei, W., & Zhu, W. (2015). The Principle of Profit Models. Springer Berlin Heidelberg.

Chicago

Lin, Guiping, Wei Wei, and Wuxiang Zhu. The Principle of Profit Models. : Springer Berlin Heidelberg, 2015.