APA aipamena

Walker-Bone, K., Dennison, E., & Cooper, C. (2001). Epidemiology of osteoporosis.

Chicago Style aipamena

Walker-Bone, K., E. Dennison, and C. Cooper. Epidemiology of Osteoporosis. 2001.

MLA aipamena

Walker-Bone, K., et al. Epidemiology of Osteoporosis. 2001.