Cita APA (7a ed.)

Dickens, C., & Foot, D. (1991). Hard times for these times. University Press.

Cita Chicago Style (17a ed.)

Dickens, Charles, y Dingle Foot. Hard Times for These Times. Oxford [etc.]: University Press, 1991.

Cita MLA (9a ed.)

Dickens, Charles, y Dingle Foot. Hard Times for These Times. University Press, 1991.