APA (7th ed.) Citation

Válková, Z., Margo, C. E., Hamed, L. M., & Mames, R. N. Diagnostic problems in clinical opthalmology.

Chicago Style (17th ed.) Citation

Válková, Zuzana, C. E. Margo, L. M. Hamed, and R. N. Mames. Diagnostic Problems in Clinical Opthalmology.

MLA (9th ed.) Citation

Válková, Zuzana, et al. Diagnostic Problems in Clinical Opthalmology.