Cita APA (7a ed.)

Sierra, R. J. (2017). Osteonecrosis of the femoral head: A clinical casebook. Springer.

Cita Chicago Style (17a ed.)

Sierra, Rafael J. Osteonecrosis of the Femoral Head: A Clinical Casebook. Cham, Switzerland: Springer, 2017.

Cita MLA (8a ed.)

Sierra, Rafael J. Osteonecrosis of the Femoral Head: A Clinical Casebook. Springer, 2017.