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 (8th ed.) Citation

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

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