Cita APA (7a ed.)

Mill, J., Lauderdale, J. M., & Malthus, T. R. (1993). An essay on the impolicy of a bounty on the exportation of grain. Routledge-Thoemmes Press [etc.].

Cita Chicago Style (17a ed.)

Mill, James, James Maitland Lauderdale, y Thomas Robert Malthus. An Essay on the Impolicy of a Bounty on the Exportation of Grain. London [etc.]: Routledge-Thoemmes Press [etc.], 1993.

Cita MLA (9a ed.)

Mill, James, et al. An Essay on the Impolicy of a Bounty on the Exportation of Grain. Routledge-Thoemmes Press [etc.], 1993.