Cita APA

Parker, R. B. (2010). The professional: A spenser mystery. London: Quercus.

Chicago Style Citation

Parker, Robert B. The Professional: A Spenser Mystery. London: Quercus, 2010.

Cita MLA

Parker, Robert B. The Professional: A Spenser Mystery. London: Quercus, 2010.

Atenció: Aquestes cites poden no estar 100% correctes.