APA način citiranja

Weghofer, A., Klein, K., Stammler-Safar, M., Worda, C., Barad, D. H., Husslein, P., & Gleicher, N. (2009). Can prematurity risk in twin pregnancies after in vitro fertilization be predicted? A retrospective study. BioMed Central.

Čikaški stil citiranja

Weghofer, Andrea, Katharina Klein, Maria Stammler-Safar, Christof Worda, David H. Barad, Peter Husslein, i Norbert Gleicher. Can Prematurity Risk in Twin Pregnancies After in Vitro Fertilization Be Predicted? A Retrospective Study. BioMed Central, 2009.

MLA način citiranja

Weghofer, Andrea, et al. Can Prematurity Risk in Twin Pregnancies After in Vitro Fertilization Be Predicted? A Retrospective Study. BioMed Central, 2009.