Cita APA

Chen, H., Huang, X., Guo, X., Mailman, R. B., Park, Y., Kamel, F., . . . Blair, A. (2010). Smoking duration, intensity, and risk of Parkinson disease. American Academy of Neurology.

Chicago Style Citation

Chen, H., et al. Smoking Duration, Intensity, and Risk of Parkinson Disease. American Academy of Neurology, 2010.

Cita MLA

Chen, H., et al. Smoking Duration, Intensity, and Risk of Parkinson Disease. American Academy of Neurology, 2010.