Cita APA (7a ed.)

Hume, D., Keynes, J. M., & Sraffa, P. (1990). An abstract of "A treatise of human nature" 1740: A pamphlet hitherto unknown. Thoemmes.

Cita Chicago Style (17a ed.)

Hume, David, John Maynard Keynes, y Piero Sraffa. An Abstract of "A Treatise of Human Nature" 1740: A Pamphlet Hitherto Unknown. Bristol: Thoemmes, 1990.

Cita MLA (9a ed.)

Hume, David, et al. An Abstract of "A Treatise of Human Nature" 1740: A Pamphlet Hitherto Unknown. Thoemmes, 1990.