APA (7th ed.) Citation

Einzig, P. (1966). A textbook of foreign exchange. Macmillan.

Chicago Style (17th ed.) Citation

Einzig, Paul. A Textbook of Foreign Exchange. London: Macmillan, 1966.

MLA (9th ed.) Citation

Einzig, Paul. A Textbook of Foreign Exchange. Macmillan, 1966.