APA ציטוט

Conejo, N., & Porras, O. (2011). Juvenile systemic lupus erythematosus: A retrospective study in a single center over a 13 years period. BioMed Central.

Citação norma Chicago

Conejo, N., and O. Porras. Juvenile Systemic Lupus Erythematosus: A Retrospective Study in a Single Center Over a 13 Years Period. BioMed Central, 2011.

ציטוט MLA

Conejo, N., and O. Porras. Juvenile Systemic Lupus Erythematosus: A Retrospective Study in a Single Center Over a 13 Years Period. BioMed Central, 2011.