APA (7th ed.) Citation

Harrison, T. R., & Isselbacher, K. J. (1980). Harrison's Principles of internal medicine (9th ed.). McGraw-Hill.

Chicago Style (17th ed.) Citation

Harrison, Tinsley Randolph, and Kurt J. Isselbacher. Harrison's Principles of Internal Medicine. 9th ed. New York: McGraw-Hill, 1980.

MLA (9th ed.) Citation

Harrison, Tinsley Randolph, and Kurt J. Isselbacher. Harrison's Principles of Internal Medicine. 9th ed. McGraw-Hill, 1980.