Cita APA

Natland, S. T., Andersen, L. F., Nilsen, T. I. L., Forsmo, S., & Jacobsen, G. W. (2012). Maternal recall of breastfeeding duration twenty years after delivery. BioMed Central.

Chicago Style Citation

Natland, Siv Tone, Lene Frost Andersen, Tom Ivar Lund Nilsen, Siri Forsmo, i Geir W. Jacobsen. Maternal Recall of Breastfeeding Duration Twenty Years After Delivery. BioMed Central, 2012.

Cita MLA

Natland, Siv Tone, et al. Maternal Recall of Breastfeeding Duration Twenty Years After Delivery. BioMed Central, 2012.