Παραπομπή σε μορφή APA (7η εκδ.)

Steffen, R., Athanasou, N., Gill, H., & Murray, D. (2010). Avascular necrosis associated with fracture of the femoral neck after hip resurfacing: Histological assessment of femoral bone from retrieval specimens.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Steffen, RT, N. Athanasou, H. Gill, και D. Murray. Avascular Necrosis Associated with Fracture of the Femoral Neck After Hip Resurfacing: Histological Assessment of Femoral Bone from Retrieval Specimens. 2010.

Παραπομπή σε μορφή MLA (9th εκδ.)

Steffen, RT, et al. Avascular Necrosis Associated with Fracture of the Femoral Neck After Hip Resurfacing: Histological Assessment of Femoral Bone from Retrieval Specimens. 2010.