APA Style

Kanski, J, J., Bowling, B. (2016). Kanski's clinical ophthalmology : a systematic approach (8th ed). Edinburgh ; New York: Elsevier.

MLA Style

Kanski, Jack, J., Bowling, Brad. "Kanski's clinical ophthalmology : a systematic approach". 8th ed Edinburgh ; New York: Elsevier, 2016. Text.