Citação norma APA

Mellingen, K. M., Midtun, A., Hanevik, K., Eide, G. E., Søbstad, Ø., & Langeland, N. (2010). Post epidemic giardiasis and gastrointestinal symptoms among preschool children in Bergen, Norway. A cross-sectional study. BioMed Central.

Citação norma Chicago

Mellingen, Kristin M., Anita Midtun, Kurt Hanevik, Geir E. Eide, Øystein Søbstad, and Nina Langeland. Post Epidemic Giardiasis and Gastrointestinal Symptoms Among Preschool Children in Bergen, Norway. A Cross-sectional Study. BioMed Central, 2010.

Citação norma MLA

Mellingen, Kristin M., et al. Post Epidemic Giardiasis and Gastrointestinal Symptoms Among Preschool Children in Bergen, Norway. A Cross-sectional Study. BioMed Central, 2010.

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