APA (7th ed.) Citation

International Geological Congress Pretoria, etc., & Sutherland, A. C. (1930). The gold resources of the world: An inquiry made upon the initiation of the Organising committee of the XV. International geological congress, South Africa, 1929. Published by the Bureau of the Congress.

Chicago Style (17th ed.) Citation

International Geological Congress Pretoria, etc., and Alexander Charles Sutherland. The Gold Resources of the World: An Inquiry Made upon the Initiation of the Organising Committee of the XV. International Geological Congress, South Africa, 1929. Pretoria: Published by the Bureau of the Congress, 1930.

MLA (9th ed.) Citation

International Geological Congress Pretoria, etc., and Alexander Charles Sutherland. The Gold Resources of the World: An Inquiry Made upon the Initiation of the Organising Committee of the XV. International Geological Congress, South Africa, 1929. Published by the Bureau of the Congress, 1930.