APA (7th ed.) Citation

Ayala, C., MD, & Spellberg, B. (2003). Boards and wards: A review for USMLE steps 2&3 (Second edition.). Blackwell Pub..

Chicago Style (17th ed.) Citation

Ayala, Carlos, MD, and Brad Spellberg. Boards and Wards: A Review for USMLE Steps 2&3. Second edition. Malden, Mass.: Blackwell Pub., 2003.

MLA (9th ed.) Citation

Ayala, Carlos, MD, and Brad Spellberg. Boards and Wards: A Review for USMLE Steps 2&3. Second edition. Blackwell Pub., 2003.