APA (7th ed.) Citation

Engels, G., Weeda, W. D., Vlaar, A. M. M., Weinstein, H. C., & Scherder, E. J. A. Clinical Pain and Neuropsychological Functioning in Parkinson’s Disease: Are They Related? Wiley.

Chicago Style (17th ed.) Citation

Engels, Gwenda, Wouter D. Weeda, Annemarie M. M. Vlaar, Henry C. Weinstein, and Erik J. A. Scherder. Clinical Pain and Neuropsychological Functioning in Parkinson’s Disease: Are They Related? Wiley.

MLA (9th ed.) Citation

Engels, Gwenda, et al. Clinical Pain and Neuropsychological Functioning in Parkinson’s Disease: Are They Related? Wiley.

Warning: These citations may not always be 100% accurate.