APA način citiranja

Cramer, H., Lauche, R., Langhorst, J., Dobos, G. J., & Michalsen, A. (2014). Validation of the German version of the Neck Disability Index (NDI). BioMed Central.

Čikaški stil citiranja

Cramer, Holger, Romy Lauche, Jost Langhorst, Gustav J. Dobos, i Andreas Michalsen. Validation of the German Version of the Neck Disability Index (NDI). BioMed Central, 2014.

MLA način citiranja

Cramer, Holger, et al. Validation of the German Version of the Neck Disability Index (NDI). BioMed Central, 2014.