APA (7th ed.) Citation

Ruiz-Irastorza, G., Olivares, N., Ruiz-Arruza, I., Martinez-Berriotxoa, A., Egurbide, M., & Aguirre, C. (2009). Predictors of major infections in systemic lupus erythematosus. Arthritis research & therapy, 11(4), R109. https://doi.org/10.1186/ar2764

Chicago Style (17th ed.) Citation

Ruiz-Irastorza, Guillermo, Nerea Olivares, Ioana Ruiz-Arruza, Agustin Martinez-Berriotxoa, Maria-Victoria Egurbide, and Ciriaco Aguirre. "Predictors of Major Infections in Systemic Lupus Erythematosus." Arthritis Research & Therapy 11, no. 4 (2009): R109. https://doi.org/10.1186/ar2764.

MLA (9th ed.) Citation

Ruiz-Irastorza, Guillermo, et al. "Predictors of Major Infections in Systemic Lupus Erythematosus." Arthritis Research & Therapy, vol. 11, no. 4, 2009, p. R109, https://doi.org/10.1186/ar2764.