APA (7th ed.) Citation

Einzig, P. (1931). The world economic crisis: 1929 - 1931. Macmillan.

Chicago Style (17th ed.) Citation

Einzig, Paul. The World Economic Crisis: 1929 - 1931. London: Macmillan, 1931.

MLA (9th ed.) Citation

Einzig, Paul. The World Economic Crisis: 1929 - 1931. Macmillan, 1931.

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