Cita APA (7a ed.)

Thomas, S. E. (1921). The principles and arithmetic of foreign exchange. Macdonald & Evans.

Cita Chicago Style (17a ed.)

Thomas, S. Evelyn. The Principles and Arithmetic of Foreign Exchange. London: Macdonald & Evans, 1921.

Cita MLA (9a ed.)

Thomas, S. Evelyn. The Principles and Arithmetic of Foreign Exchange. Macdonald & Evans, 1921.