APA (7th ed.) Citation

Riggeal, B., Crucian, G., Seignourel, P., IV, C. J., Okun, M., & al, e. (2007). Cognitive decline tracks motor progression and not disease duration in Parkinson patients. Dove Medical Press.

Chicago Style (17th ed.) Citation

Riggeal, BD, GP Crucian, P. Seignourel, CE Jacobson IV, MS Okun, and et al. Cognitive Decline Tracks Motor Progression and Not Disease Duration in Parkinson Patients. Dove Medical Press, 2007.

MLA (8th ed.) Citation

Riggeal, BD, et al. Cognitive Decline Tracks Motor Progression and Not Disease Duration in Parkinson Patients. Dove Medical Press, 2007.