APA Style
Kasper, D, L. et al (2015).
Harrison's principles of internal medicine .vol-01. (19th ed.).
New York:
McGraw Hill Education Medical.
MLA Style
Kasper, Dennis, L. et al.
"Harrison's principles of internal medicine .vol-01.".
19th ed.
New York:
McGraw Hill Education Medical,
2015.
Text.