APA aipamena

R, C. J., Christian, M., V, N. T., A, E. J., & J, S. M. (2007). Bone turnover in elderly men: Relationships to change in bone mineral density. BMC.

Chicago Style aipamena

R, Center Jacqueline, Meier Christian, Nguyen Tuan V, Eisman John A, and Seibel Markus J. Bone Turnover in Elderly Men: Relationships to Change in Bone Mineral Density. BMC, 2007.

MLA aipamena

R, Center Jacqueline, et al. Bone Turnover in Elderly Men: Relationships to Change in Bone Mineral Density. BMC, 2007.