APA (7th ed.) Citation

Angas, L. L. B. (1935). The problems of the foreign exchanges. A.A. Knopf.

Chicago Style (17th ed.) Citation

Angas, L. L. B. The Problems of the Foreign Exchanges. New York: A.A. Knopf, 1935.

MLA (8th ed.) Citation

Angas, L. L. B. The Problems of the Foreign Exchanges. A.A. Knopf, 1935.