MLA

Negm, and Martina Zeleňáková. Water Resources In Slovakia: Part I. Springer International Publishing, 2019.

APA

Negm, N., & Zeleňáková, M. (2019). Water Resources in Slovakia: Part I. Springer International Publishing.

Chicago

Negm, and Martina Zeleňáková. Water Resources In Slovakia: Part I. : Springer International Publishing, 2019.