APA način citiranja

Cabraja, M., Oezdemir, S., Koeppen, D., & Kroppenstedt, S. (2012). Anterior cervical discectomy and fusion: Comparison of titanium and polyetheretherketone cages. BioMed Central.

Čikaški stil citiranja

Cabraja, Mario, Soner Oezdemir, Daniel Koeppen, i Stefan Kroppenstedt. Anterior Cervical Discectomy and Fusion: Comparison of Titanium and Polyetheretherketone Cages. BioMed Central, 2012.

MLA način citiranja

Cabraja, Mario, Soner Oezdemir, Daniel Koeppen, i Stefan Kroppenstedt. Anterior Cervical Discectomy and Fusion: Comparison of Titanium and Polyetheretherketone Cages. BioMed Central, 2012.