Gaya APA

Fauci, A, S. et al (2008). Harrisons Principles of internal medicine Volume 1 & II . New York: Mc Graw Hill.

Gaya MLA

Fauci, Anthony, S. et al. "Harrisons Principles of internal medicine Volume 1 & II". New York: Mc Graw Hill, 2008. Text.