APA (7th ed.) Citation

Pelpola, K., Pienaar, P., & Xu, Y. (1992). Development of groundwater in Bophuthatswana.

Chicago Style (17th ed.) Citation

Pelpola, Kalinga, Pine Pienaar, and Yongxin Xu. Development of Groundwater in Bophuthatswana. 1992.

MLA (9th ed.) Citation

Pelpola, Kalinga, et al. Development of Groundwater in Bophuthatswana. 1992.

Warning: These citations may not always be 100% accurate.