APA aipamena

NIU, J., ZHANG, Y. Q., TORNER, J., NEVITT, M., LEWIS, C. E., ALIABADI, P., . . . FELSON, D. T. (2009). Is Obesity a Risk Factor for Progressive Radiographic Knee Osteoarthritis?

Chicago Style aipamena

NIU, J., et al. Is Obesity a Risk Factor for Progressive Radiographic Knee Osteoarthritis? 2009.

MLA aipamena

NIU, J., et al. Is Obesity a Risk Factor for Progressive Radiographic Knee Osteoarthritis? 2009.