APA Style
B.Cotten, P. (2009).
Practical Gastrointestinal Endoscopy the Fundamentals (Sixth Edition).
Singapore:
Wiley & Sons Ltd.
MLA Style
B.Cotten, Peter.
"Practical Gastrointestinal Endoscopy the Fundamentals".
Sixth Edition
Singapore:
Wiley & Sons Ltd,
2009.
Text.