APA (7th ed.) Citation

Schubert, R., Deussen, A., & Kuschinsky, W. (2013). Elektrokardiogramm (EKG). Physiologie.

Chicago Style (17th ed.) Citation

Schubert, Rudolf, Andreas Deussen, and Wolfgang Kuschinsky. "Elektrokardiogramm (EKG)." Physiologie 2013.

MLA (9th ed.) Citation

Schubert, Rudolf, et al. "Elektrokardiogramm (EKG)." Physiologie, 2013.