APA (7th ed.) Citation

Barton, T. K. (1993). Appleton & Lange's review for the USMLE step 1. Appleton & Lange.

Chicago Style (17th ed.) Citation

Barton, Thomas K. Appleton & Lange's Review for the USMLE Step 1. Norwalk, Conn: Appleton & Lange, 1993.

MLA (9th ed.) Citation

Barton, Thomas K. Appleton & Lange's Review for the USMLE Step 1. Appleton & Lange, 1993.

Warning: These citations may not always be 100% accurate.