APA (7th ed.) Citation

Eck, J. C., Hodges, S. D., & Humphreys, S. C. (2003). Spine pearls. Hanley & Belfus.

Chicago Style (17th ed.) Citation

Eck, Jason C., Scott D. Hodges, and S. Craig Humphreys. Spine Pearls. Philadelphia: Hanley & Belfus, 2003.

MLA (8th ed.) Citation

Eck, Jason C., et al. Spine Pearls. Hanley & Belfus, 2003.