APA citiranje

Fischer, G., Stieh, J., Uebing, A., Grabitz, R., & Kramer, H. (2001). Transcatheter closure of persistent ductus arteriosus in infants using the Amplatzer duct occluder.

Citação norma Chicago

Fischer, G., J. Stieh, A. Uebing, R. Grabitz, and H. Kramer. Transcatheter Closure of Persistent Ductus Arteriosus in Infants Using the Amplatzer Duct Occluder. 2001.

MLA citiranje

Fischer, G., et al. Transcatheter Closure of Persistent Ductus Arteriosus in Infants Using the Amplatzer Duct Occluder. 2001.