APA (7th ed.) Citation

Llano, D. A., Krasowski, M. D., Broman, M. T., & Seoane, L. (2017). USMLE Step 2 CK (Version 3.0.). Becker Professional Education.

Chicago Style (17th ed.) Citation

Llano, Daniel A., Matthew D. Krasowski, Michael T. Broman, and Leonardo Seoane. USMLE Step 2 CK. Version 3.0. [Downers Grove, Illinois]: Becker Professional Education, 2017.

MLA (8th ed.) Citation

Llano, Daniel A., et al. USMLE Step 2 CK. Version 3.0. Becker Professional Education, 2017.