Cita APA (7a ed.)

Agricola, R., Waarsing, J., Arden, N., Glyn-Jones, S., & al., E. (2013). Cam impingement of the hip: A risk factor for hip osteoarthritis. Nature Research.

Cita Chicago Style (17a ed.)

Agricola, R., J. Waarsing, N. Arden, S. Glyn-Jones, y E. al. Cam Impingement of the Hip: A Risk Factor for Hip Osteoarthritis. Nature Research, 2013.

Cita MLA (9a ed.)

Agricola, R., et al. Cam Impingement of the Hip: A Risk Factor for Hip Osteoarthritis. Nature Research, 2013.