APA (7th ed.) Citation

Newbury, C. (1989). The diamond ring: Business, politics and precious stones in South Africa, 1867-1947. Clarendon Press.

Chicago Style (17th ed.) Citation

Newbury, Colin. The Diamond Ring: Business, Politics and Precious Stones in South Africa, 1867-1947. Oxford: Clarendon Press, 1989.

MLA (9th ed.) Citation

Newbury, Colin. The Diamond Ring: Business, Politics and Precious Stones in South Africa, 1867-1947. Clarendon Press, 1989.