Cita APA (7a ed.)

Keynes John Maynard. (2013). Collected Writings of John Maynard Keynes vol XXI. Cambridge.

Cita Chicago Style (17a ed.)

Keynes John Maynard. Collected Writings of John Maynard Keynes Vol XXI. New Delhi: Cambridge, 2013.

Cita MLA (9a ed.)

Keynes John Maynard. Collected Writings of John Maynard Keynes Vol XXI. Cambridge, 2013.