Cita APA (7a ed.)

Dickens, C., & Spector, R. D. (1981). Hard times. Bantam.

Cita Chicago Style (17a ed.)

Dickens, Charles, y Robert Donald Spector. Hard Times. New York: Bantam, 1981.

Cita MLA (9a ed.)

Dickens, Charles, y Robert Donald Spector. Hard Times. Bantam, 1981.