Cita APA (7a ed.)

Mill, J. S., Filipiuk, M., Laine, M., & Robson, J. M. (1991). Additional letters of John Stuart Mill. University Press [etc.].

Cita Chicago Style (17a ed.)

Mill, John Stuart, Marion Filipiuk, Michael Laine, y John M. Robson. Additional Letters of John Stuart Mill. Toronto [etc.]: University Press [etc.], 1991.

Cita MLA (9a ed.)

Mill, John Stuart, et al. Additional Letters of John Stuart Mill. University Press [etc.], 1991.