APA način citiranja

Steen, K., Lems, W., Aertsen, J., Bezemer, D., & Dijkmans, B. (2001). Incidence of clinically manifest ulcers and their complications in patients with rheumatoid arthritis.

Čikaški stil citiranja

Steen, K., W. Lems, J. Aertsen, D. Bezemer, i B. Dijkmans. Incidence of Clinically Manifest Ulcers and Their Complications in Patients With Rheumatoid Arthritis. 2001.

MLA način citiranja

Steen, K., et al. Incidence of Clinically Manifest Ulcers and Their Complications in Patients With Rheumatoid Arthritis. 2001.