APA Style
Boyer, T, D. et al (2012).
Zakim and Boyer's hepatology :a textbook of liver disease (6th ed.).
Philadelphia, PA ::
Saunders/Elsevier,.
MLA Style
Boyer, Thomas, D.. et al.
"Zakim and Boyer's hepatology :a textbook of liver disease".
6th ed.
Philadelphia, PA ::
Saunders/Elsevier,,
2012.
Text.