Cita APA (7a ed.)

Mitchell, R. J., & Leys, M. D. R. (1963). A history of London life. Penguin.

Cita Chicago Style (17a ed.)

Mitchell, R. J., y M. D. R. Leys. A History of London Life. Harmondsworth [etc.]: Penguin, 1963.

Cita MLA (9a ed.)

Mitchell, R. J., y M. D. R. Leys. A History of London Life. Penguin, 1963.