APA (7th ed.) Citation

Clare, G., & Crump, N. (1931). The ABC of the foreign exchanges: A practical guide (9th ed.). Macmillan.

Chicago Style (17th ed.) Citation

Clare, George, and Norman Crump. The ABC of the Foreign Exchanges: A Practical Guide. 9th ed. London: Macmillan, 1931.

MLA (8th ed.) Citation

Clare, George, and Norman Crump. The ABC of the Foreign Exchanges: A Practical Guide. 9th ed. Macmillan, 1931.