Geology of Africa south of the Sahara /
compiled by Geological Survey of South Africa.

APA Citation

Geological Survey (South Africa). Geology of Africa south of the Sahara. [Pretoria?]: The Survey.

MLA Citation

Geological Survey (South Africa). Geology of Africa South of the Sahara. [Pretoria?]: The Survey,

Warning: These citations may not always be complete (especially for serials).