Hall, A. L. (1918). The geology of the Barberton gold mining district: Including adjoining portions of Northern Swaziland.
Chicago Style (17th ed.) CitationHall, A. L. The Geology of the Barberton Gold Mining District: Including Adjoining Portions of Northern Swaziland. Pretoria, 1918.
MLA (9th ed.) CitationHall, A. L. The Geology of the Barberton Gold Mining District: Including Adjoining Portions of Northern Swaziland. 1918.
Warning: These citations may not always be 100% accurate.