APA (7th ed.) Citation

O'Connell, T. X. (2022). USMLE step 2 secrets (Sixth edition.). Elsevier.

Chicago Style (17th ed.) Citation

O'Connell, Theodore X. USMLE Step 2 Secrets. Sixth edition. Philadelphia: Elsevier, 2022.

MLA (9th ed.) Citation

O'Connell, Theodore X. USMLE Step 2 Secrets. Sixth edition. Elsevier, 2022.