Gaya APA

Puertas-Abreu, E. et al (2012). Onset of lupus like syndrome in patients with spondyloarthritis treated with anti-TNF-a (International Archives of Medicine 2012,5:7). Venezuela: Springer.

Gaya MLA

Puertas-Abreu, Eduardo. et al. "Onset of lupus like syndrome in patients with spondyloarthritis treated with anti-TNF-a". International Archives of Medicine 2012,5:7 Venezuela: Springer, 2012. Artikel.