APA Style
Sitaraman, S, V., Friedman, L, S. (1969).
Essentials of gastroenterology .
Chichester,:
Wiley-Blackwell,,.
MLA Style
Sitaraman, Shanthi, V., Friedman, Lawrence, S.
"Essentials of gastroenterology".
Chichester,:
Wiley-Blackwell,,,
1969.
Text.