Citação norma APA

Kühl, M., Wagner, R., Bauder, M., Fenik, Y., Riessen, R., Lammerding-Köppel, M., . . . Celebi, N. (2012). Student tutors for hands-on training in focused emergency echocardiography – a randomized controlled trial. BioMed Central.

Citação norma Chicago

Kühl, Matthias, et al. Student Tutors for Hands-on Training in Focused Emergency Echocardiography – a Randomized Controlled Trial. BioMed Central, 2012.

Citação norma MLA

Kühl, Matthias, et al. Student Tutors for Hands-on Training in Focused Emergency Echocardiography – a Randomized Controlled Trial. BioMed Central, 2012.

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