Παραπομπή σε μορφή APA (7η εκδ.)

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.

Παραπομπή σε μορφή Chicago (17η εκδ.)

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

Παραπομπή σε μορφή MLA (9th εκδ.)

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