APA (7th ed.) Citation

Cohen, A. (2003). Mary Elizabeth Barber, some early South African geologists, and the discoveries of diamonds.

Chicago Style (17th ed.) Citation

Cohen, Alan. Mary Elizabeth Barber, Some Early South African Geologists, and the Discoveries of Diamonds. 2003.

MLA (9th ed.) Citation

Cohen, Alan. Mary Elizabeth Barber, Some Early South African Geologists, and the Discoveries of Diamonds. 2003.

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