APA Style

Fauci, A, S., Longo, D, L. (2011). Harrison\'s Principles of Internal Medicine (Eighteenth Edition). New York, NY, USA: McGraw-Hill Professional / McGraw-Hill Education.

MLA Style

Fauci, Anthony, S.., Longo, Dan, L.. "Harrison\'s Principles of Internal Medicine". Eighteenth Edition New York, NY, USA: McGraw-Hill Professional / McGraw-Hill Education, 2011. Text.