Cita APA (7a ed.)

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

Cita Chicago Style (17a ed.)

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

Cita MLA (9a ed.)

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