Cita APA (7a ed.)

Stone, R. M. (1994). Harrison's principles of internal medicine: Pretest self assessment and review (13th ed.). McGraw-Hill.

Cita Chicago Style (17a ed.)

Stone, Richard M. Harrison's Principles of Internal Medicine: Pretest Self Assessment and Review. 13th ed. New York: McGraw-Hill, 1994.

Cita MLA (9a ed.)

Stone, Richard M. Harrison's Principles of Internal Medicine: Pretest Self Assessment and Review. 13th ed. McGraw-Hill, 1994.