APA (7th ed.) Citation

Balanzó, J., & Enríquez, J. (2007). Hepatitis B. Marge Books.

Chicago Style (17th ed.) Citation

Balanzó, Joaquim, and Jaime Enríquez. Hepatitis B. Barcelona: Marge Books, 2007.

MLA (9th ed.) Citation

Balanzó, Joaquim, and Jaime Enríquez. Hepatitis B. Marge Books, 2007.