Cita APA (7th ed.)

International Society for Study of the Lumbar Spine & Herkowitz, H. N. (2004). The lumbar spine (Third edition.). Lippincott Williams & Wilkins.

Cita Chicago (17th ed.)

International Society for Study of the Lumbar Spine i Harry N. Herkowitz. The Lumbar Spine. Third edition. Philadelphia: Lippincott Williams & Wilkins, 2004.

Cita MLA (9th ed.)

International Society for Study of the Lumbar Spine i Harry N. Herkowitz. The Lumbar Spine. Third edition. Lippincott Williams & Wilkins, 2004.