APA-viite (7. p.)

Steffen, R., De Smet, K., Murray, D., & Gill, H. (2011). A Modified Posterior Approach Preserves Femoral Head Oxgenation During Hip Resurfacing.

Chicago-viite (17. p.)

Steffen, R., K. De Smet, D. Murray, ja H. Gill. A Modified Posterior Approach Preserves Femoral Head Oxgenation During Hip Resurfacing. 2011.

MLA-viite (9. p.)

Steffen, R., et al. A Modified Posterior Approach Preserves Femoral Head Oxgenation During Hip Resurfacing. 2011.