Osteonecrosis
  MLA
  Koo, Kyung-Hoi, Michael A Mont, and Lynne C Jones. Osteonecrosis. Springer Berlin Heidelberg, 2014.
  APA
  Koo, K., Mont, M. A, & Jones, L. C. (2014). Osteonecrosis. Springer Berlin Heidelberg.
  Chicago
  Koo, Kyung-Hoi, Michael A Mont, and Lynne C Jones. Osteonecrosis. : Springer Berlin Heidelberg, 2014.