MLA

Nirmal, B. C, and Rajnish Kumar Singh. Contemporary Issues In International Law. Springer Singapore, 2018.

APA

Nirmal, B. C, & Singh, R. Kumar. (2018). Contemporary Issues in International Law. Springer Singapore.

Chicago

Nirmal, B. C., and Rajnish Kumar Singh. Contemporary Issues In International Law. : Springer Singapore, 2018.