APA
Gatto G., Peri V., Cuttitta G. & Cibella F. (20001130). Gastro-oesophageal reflux: prevalence in asthmatics in Italy. : Digestive and liver disease : official journal of the Italian Society of Gastroenterology and the Italian Association for the Study of the Liver.
Chicago
Gatto G, Peri V, Cuttitta G and Cibella F. 20001130. Gastro-oesophageal reflux: prevalence in asthmatics in Italy. : Digestive and liver disease : official journal of the Italian Society of Gastroenterology and the Italian Association for the Study of the Liver.
Harvard
Gatto G., Peri V., Cuttitta G. and Cibella F. (20001130). Gastro-oesophageal reflux: prevalence in asthmatics in Italy. : Digestive and liver disease : official journal of the Italian Society of Gastroenterology and the Italian Association for the Study of the Liver.
MLA
Gatto G, Peri V, Cuttitta G and Cibella F. Gastro-oesophageal reflux: prevalence in asthmatics in Italy. : Digestive and liver disease : official journal of the Italian Society of Gastroenterology and the Italian Association for the Study of the Liver. 20001130.