APA (7th ed.) Citation

Einzig, P. (1934). The future of gold / by P, Einzig. Macmillan.

Chicago Style (17th ed.) Citation

Einzig, Paul. The Future of Gold / by P, Einzig. Macmillan, 1934.

MLA (9th ed.) Citation

Einzig, Paul. The Future of Gold / by P, Einzig. Macmillan, 1934.

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