Cita APA (7a ed.)

Hardy, P. A. J. (1997). Chronic pain management: The essentials. Greenwich Medical Media.

Cita Chicago Style (17a ed.)

Hardy, Paul A. J. Chronic Pain Management: The Essentials. London: Greenwich Medical Media, 1997.

Cita MLA (8a ed.)

Hardy, Paul A. J. Chronic Pain Management: The Essentials. Greenwich Medical Media, 1997.