APA (7th ed.) Citation
Jacobsz, S. W. (2020). Sinkhole formation due to subsurface erosion above undermined ground. University of Pretoria.
Chicago Style (17th ed.) Citation
Jacobsz, Schalk Willem. Sinkhole Formation Due to Subsurface Erosion Above Undermined Ground. University of Pretoria, 2020.
MLA (9th ed.) Citation
Jacobsz, Schalk Willem. Sinkhole Formation Due to Subsurface Erosion Above Undermined Ground. University of Pretoria, 2020.
Warning: These citations may not always be 100% accurate.