APA Style
Kasper, D, L. et al (2005).
Harrison's Principles of Internal Medicine Vol. 1 (16th).
New York:
New York: McGraw-Hill, Inc. 1994.
MLA Style
Kasper, Dennis, L. et al.
"Harrison's Principles of Internal Medicine Vol. 1".
16th
New York:
New York: McGraw-Hill, Inc. 1994,
2005.
BOOKS.