APA (7th ed.) Citation

Einzig, P. (1937). The theory of forward exchange. Macmillan.

Chicago Style (17th ed.) Citation

Einzig, Paul. The Theory of Forward Exchange. London: Macmillan, 1937.

MLA (9th ed.) Citation

Einzig, Paul. The Theory of Forward Exchange. Macmillan, 1937.

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