Citazione Stile APA (7a Edizione)

Birrell, F., Croft, P., Cooper, C., Hosie, G., Macfarlane, G., & Silman, A. (2000). Radiographic change is common in new presenters in primary care with hip pain. PCR Hip Study Group.

Citazione stile Chigago Style (17a edizione)

Birrell, F., P. Croft, C. Cooper, G. Hosie, G. Macfarlane, e A. Silman. Radiographic Change Is Common in New Presenters in Primary Care with Hip Pain. PCR Hip Study Group. 2000.

Citatione MLA (9a ed.)

Birrell, F., et al. Radiographic Change Is Common in New Presenters in Primary Care with Hip Pain. PCR Hip Study Group. 2000.