APA (7th ed.) Citation

Helliwell, P. S., FitzGerald, O., Fransen, J., Gladman, D. D., Kreuger, G. G., Callis-Duffin, K., . . . Walsh, J. A. (2013). The development of candidate composite disease activity and responder indices for psoriatic arthritis (GRACE project). Annals of the rheumatic diseases, 72(6), 986-991. https://doi.org/10.1136/annrheumdis-2012-201341

Chicago Style (17th ed.) Citation

Helliwell, Philip S., et al. "The Development of Candidate Composite Disease Activity and Responder Indices for Psoriatic Arthritis (GRACE Project)." Annals of the Rheumatic Diseases 72, no. 6 (2013): 986-991. https://doi.org/10.1136/annrheumdis-2012-201341.

MLA (9th ed.) Citation

Helliwell, Philip S., et al. "The Development of Candidate Composite Disease Activity and Responder Indices for Psoriatic Arthritis (GRACE Project)." Annals of the Rheumatic Diseases, vol. 72, no. 6, 2013, pp. 986-991, https://doi.org/10.1136/annrheumdis-2012-201341.