Cita APA (7a ed.)

Greidanus, T. (1939). The development of Keynes' economic theories. P.S. King & Son.

Cita Chicago Style (17a ed.)

Greidanus, Tjardus. The Development of Keynes' Economic Theories. London: P.S. King & Son, 1939.

Cita MLA (9a ed.)

Greidanus, Tjardus. The Development of Keynes' Economic Theories. P.S. King & Son, 1939.