APA citiranje

Kollias, A. N., Schaumberger, M. M., Kreutzer, T. C., Ulbig, M. W., & Lackerbauer, C. A. (2009). Two-step LASIK after penetrating keratoplasty. Dove Medical Press.

Citação norma Chicago

Kollias, Aris N., Markus M. Schaumberger, Thomas C. Kreutzer, Michael W. Ulbig, and Carlo A. Lackerbauer. Two-step LASIK After Penetrating Keratoplasty. Dove Medical Press, 2009.

MLA citiranje

Kollias, Aris N., et al. Two-step LASIK After Penetrating Keratoplasty. Dove Medical Press, 2009.