Barton, T. K. (1996). Appleton & Langer's review for the USMLE step 1 (2nd edition.). Prentice Hall International.
Chicago Style (17th ed.) CitationBarton, Thomas K. Appleton & Langer's Review for the USMLE Step 1. 2nd edition. London: Prentice Hall International, 1996.
MLA (8th ed.) CitationBarton, Thomas K. Appleton & Langer's Review for the USMLE Step 1. 2nd edition. Prentice Hall International, 1996.
Warning: These citations may not always be 100% accurate.