APA način citiranja (7. izdanje)

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.

Čikaški stil citiranja (17. izdanje)

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

MLA način citiranja (9. izdanje)

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