Gaya APA

J.Mannis, M., J.Holland, E. (2017). CORNEA fundamentals, diagnosis and management VOL.1 (4). USA: Elsevier.

Gaya MLA

J.Mannis, Mark., J.Holland, Edward. "CORNEA fundamentals, diagnosis and management VOL.1". 4 USA: Elsevier, 2017. Text.