Cita APA (7a ed.)

Tillett, W., Orbai, A., Ogdie, A., Leung, Y., Strand, V., Gladman, D., . . . Coates, L. (2017). GRAPPA-OMERACT initiative to standardise outcomes in psoriatic arthritis clinical trials and longitudinal observational studies. BMJ Publishing Group.

Cita Chicago Style (17a ed.)

Tillett, W., A. Orbai, A. Ogdie, Y. Leung, V. Strand, D. Gladman, P. Mease, y L. Coates. GRAPPA-OMERACT Initiative to Standardise Outcomes in Psoriatic Arthritis Clinical Trials and Longitudinal Observational Studies. BMJ Publishing Group, 2017.

Cita MLA (9a ed.)

Tillett, W., et al. GRAPPA-OMERACT Initiative to Standardise Outcomes in Psoriatic Arthritis Clinical Trials and Longitudinal Observational Studies. BMJ Publishing Group, 2017.