Harrison, T. R., & Stone, R. M. (1991). Harrison's principles of internal medicine: Pretest self-assessment and review (12th ed.). McGraw-Hill.
Chicago Style (17th ed.) CitationHarrison, Tinsley Randolph, and Richard M. Stone. Harrison's Principles of Internal Medicine: Pretest Self-assessment and Review. 12th ed. New York: McGraw-Hill, 1991.
MLA (9th ed.) CitationHarrison, Tinsley Randolph, and Richard M. Stone. Harrison's Principles of Internal Medicine: Pretest Self-assessment and Review. 12th ed. McGraw-Hill, 1991.
Warning: These citations may not always be 100% accurate.