APA način citiranja (7. izdanje)

SpringerLink (Online service), Kohnen, T., & Koch, D. D. (2005). Cataract and refractive surgery. Springer-Verlag.

Čikaški stil citiranja (17. izdanje)

SpringerLink (Online service), Thomas Kohnen, i Douglas D. Koch. Cataract and Refractive Surgery. Berlin, Heidelberg: Springer-Verlag, 2005.

MLA način citiranja (8. izdanje)

SpringerLink (Online service), et al. Cataract and Refractive Surgery. Springer-Verlag, 2005.