APA način citiranja

Gao, X., Chen, H., Schwarzschild, M. A., & Ascherio, A. (2011). A Prospective Study of Bowel Movement Frequency and Risk of Parkinson’s Disease. Oxford University Press.

Čikaški stil citiranja

Gao, Xiang, Honglei Chen, Michael A. Schwarzschild, i Alberto Ascherio. A Prospective Study of Bowel Movement Frequency and Risk of Parkinson’s Disease. Oxford University Press, 2011.

MLA način citiranja

Gao, Xiang, Honglei Chen, Michael A. Schwarzschild, i Alberto Ascherio. A Prospective Study of Bowel Movement Frequency and Risk of Parkinson’s Disease. Oxford University Press, 2011.