APA (7th ed.) Citation

Carl, A. (2020). USMLE step 1 made ridiculously simple ([Seventh edition].). MedMaster, Inc..

Chicago Style (17th ed.) Citation

Carl, Andreas. USMLE Step 1 Made Ridiculously Simple. [Seventh edition]. Miami, Fla.: MedMaster, Inc., 2020.

MLA (9th ed.) Citation

Carl, Andreas. USMLE Step 1 Made Ridiculously Simple. [Seventh edition]. MedMaster, Inc., 2020.

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