Cita APA (7a ed.)

Brown, T. A., & Brown, D. (2004). USMLE step 1 secrets. Hanley & Belfus.

Cita Chicago Style (17a ed.)

Brown, Thomas A., y Dave Brown. USMLE Step 1 Secrets. Philadelphia: Hanley & Belfus, 2004.

Cita MLA (9a ed.)

Brown, Thomas A., y Dave Brown. USMLE Step 1 Secrets. Hanley & Belfus, 2004.