Hardman, C. D., & Halliday, G. M. (1999). The external globus pallidus in patients with Parkinson's disease and progressive supranuclear palsy. Movement disorders, 14(4), 626-633. https://doi.org/10.1002/1531-8257(199907)14:4<626::AID-MDS1012>3.0.CO;2-U
Chicago Style (17th ed.) CitationHardman, Craig D., and Glenda M. Halliday. "The External Globus Pallidus in Patients with Parkinson's Disease and Progressive Supranuclear Palsy." Movement Disorders 14, no. 4 (1999): 626-633. https://doi.org/10.1002/1531-8257(199907)14:4<626::AID-MDS1012>3.0.CO;2-U.
MLA (9th ed.) CitationHardman, Craig D., and Glenda M. Halliday. "The External Globus Pallidus in Patients with Parkinson's Disease and Progressive Supranuclear Palsy." Movement Disorders, vol. 14, no. 4, 1999, pp. 626-633, https://doi.org/10.1002/1531-8257(199907)14:4<626::AID-MDS1012>3.0.CO;2-U.