APA (7th ed.) Citation

Ayala, C., MD, Spellberg, B., & Ignarro, L. J. (2007). Pharmacology for the boards and wards (2nd ed.). Lippincott Williams & Wilkins.

Chicago Style (17th ed.) Citation

Ayala, Carlos, MD, Brad Spellberg, and Louis J. Ignarro. Pharmacology for the Boards and Wards. 2nd ed. Philadelphia: Lippincott Williams & Wilkins, 2007.

MLA (9th ed.) Citation

Ayala, Carlos, MD, et al. Pharmacology for the Boards and Wards. 2nd ed. Lippincott Williams & Wilkins, 2007.