Cita APA (7th ed.)

Pandit, H., Gill, H., & Murray, D. (2012). Metal-on-metal hips.

Cita Chicago (17th ed.)

Pandit, H., H. Gill, i D. Murray. Metal-on-metal Hips. 2012.

Cita MLA (9th ed.)

Pandit, H., et al. Metal-on-metal Hips. 2012.