Citação norma APA

Casella, G., Villanacci, V., Antonelli, E., Di Bella, C., Baldini, V., Nejad, M. R., & Bassotti, G. (2011). Successful twin pregnancy in a patient with ulcerative colitis using azathoprine during conception. Research Institute for Gastroenterology and Liver Diseases.

Citação norma Chicago

Casella, Giovanni, Vincenzo Villanacci, Elisabetta Antonelli, Camillo Di Bella, Vittorio Baldini, Mohammad Rostami Nejad, and Gabrio Bassotti. Successful Twin Pregnancy in a Patient With Ulcerative Colitis Using Azathoprine During Conception. Research Institute for Gastroenterology and Liver Diseases, 2011.

Citação norma MLA

Casella, Giovanni, et al. Successful Twin Pregnancy in a Patient With Ulcerative Colitis Using Azathoprine During Conception. Research Institute for Gastroenterology and Liver Diseases, 2011.

Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.