APA aipamena

Kalk, P., Guthmann, F., Krause, K., Relle, K., Godes, M., Gossing, G., . . . Hocher, B. (2009). Impact of maternal body mass index on neonatal outcome. BioMed Central.

Chicago Style aipamena

Kalk, P., F. Guthmann, K. Krause, K. Relle, M. Godes, G. Gossing, H. Halle, R. Wauer, and B. Hocher. Impact of Maternal Body Mass Index On Neonatal Outcome. BioMed Central, 2009.

MLA aipamena

Kalk, P., et al. Impact of Maternal Body Mass Index On Neonatal Outcome. BioMed Central, 2009.