APA (7th ed.) Citation

Einzig, P. (1932). The world economic crisis, 1929-1931 (2nd ed.). MacMillan.

Chicago Style (17th ed.) Citation

Einzig, Paul. The World Economic Crisis, 1929-1931. 2nd ed. London: MacMillan, 1932.

MLA (9th ed.) Citation

Einzig, Paul. The World Economic Crisis, 1929-1931. 2nd ed. MacMillan, 1932.