Cita APA (7a ed.)

Lipton, M., Smith, J. G., & Burgess, T. (1968). Matters of principle: Labour's last chance. Harmondsworth: Penguin Books.

Cita Chicago Style (17a ed.)

Lipton, Michael, John Grieve Smith, y Tyrrell Burgess. Matters of Principle: Labour's Last Chance. Harmondsworth: Penguin Books, 1968.

Cita MLA (8a ed.)

Lipton, Michael, et al. Matters of Principle: Labour's Last Chance. Harmondsworth: Penguin Books, 1968.