APA (7th ed.) Citation
Verdier, J. (1991). The problems of pumping in an arid environment.
Chicago Style (17th ed.) Citation
Verdier, J. The Problems of Pumping in an Arid Environment. 1991.
MLA (9th ed.) Citation
Verdier, J. The Problems of Pumping in an Arid Environment. 1991.
Warning: These citations may not always be 100% accurate.