Cita APA (7a ed.)

Sharples, J., & Pollard, R. (2004). Liverpool. Yale University Press.

Cita Chicago Style (17a ed.)

Sharples, Joseph, y Richard Pollard. Liverpool. New Haven ; London: Yale University Press, 2004.

Cita MLA (9a ed.)

Sharples, Joseph, y Richard Pollard. Liverpool. Yale University Press, 2004.