MLA

Wang, Ning Fan, and Xuyang Liu. Optic Disorders and Visual Field. Springer Singapore, 2019.

APA

Wang, W., Fan, N., & Liu, X. (2019). Optic Disorders and Visual Field. Springer Singapore.

Chicago

Wang, Ning Fan, and Xuyang Liu. Optic Disorders and Visual Field. : Springer Singapore, 2019.