Cita APA

Harkness, E., Nahit, E., Macfarlane, G., Silman, A., McBeth, J., Dunn, G., . . . Bouter, L. (2003). Generalised estimating equations and low back pain. BMJ Group.

Citación estilo Chicago

Harkness, E., et al. Generalised Estimating Equations and Low Back Pain. BMJ Group, 2003.

Cita MLA

Harkness, E., et al. Generalised Estimating Equations and Low Back Pain. BMJ Group, 2003.