Cita APA (7th ed.)
Keynes, J. M., Krämer, C., & Krämer, L. (1955). Vom Gelde: A Treatise on money. Duncker u. Humblot.
Cita Chicago (17th ed.)
Keynes, John Maynard, Carl Krämer, i Louise Krämer. Vom Gelde: A Treatise on Money. Berlin: Duncker u. Humblot, 1955.
Cita MLA (9th ed.)
Keynes, John Maynard, et al. Vom Gelde: A Treatise on Money. Duncker u. Humblot, 1955.
Atenció: Aquestes cites poden no estar 100% correctes.