Cita APA

Crump, N. (1956). The ABC of the foreign exchanges (12th ed.). Macmillan.

Citación estilo Chicago

Crump, Norman. The ABC of the Foreign Exchanges. 12th ed. Lond.: Macmillan, 1956.

Cita MLA

Crump, Norman. The ABC of the Foreign Exchanges. 12th ed. Macmillan, 1956.