APA Style
Riordan, P.
(2011).
Vaughan & Asbury's General Ophthalmology
(
Eighteenth Edition)
.
New York:
Mc Graw Hill.
MLA Style
Riordan, Paul.
"Vaughan & Asbury's General Ophthalmology".
Eighteenth Edition
New York:
Mc Graw Hill,
2011.
Text.