Cita APA (7a ed.)

Maynard Keynes, J. (1962). A treatise on probability. Harper & Row Publishers.

Cita Chicago Style (17a ed.)

Maynard Keynes, John. A Treatise on Probability. New York: Harper & Row Publishers, 1962.

Cita MLA (9a ed.)

Maynard Keynes, John. A Treatise on Probability. Harper & Row Publishers, 1962.