APA (7th ed.) Citation

(2012). First aid for the USMLE step 1 2012. McGraw-Hill Medical.

Chicago Style (17th ed.) Citation

First Aid for the USMLE Step 1 2012. New York [u.a.]: McGraw-Hill Medical, 2012.

MLA (9th ed.) Citation

First Aid for the USMLE Step 1 2012. McGraw-Hill Medical, 2012.