APA (7th ed.) Citation

Balbi, L., Donvito, V., & Maina, A. (2013). Obstetric medicine. PAGEPress Publications.

Chicago Style (17th ed.) Citation

Balbi, L., V. Donvito, and A. Maina. Obstetric Medicine. PAGEPress Publications, 2013.

MLA (9th ed.) Citation

Balbi, L., et al. Obstetric Medicine. PAGEPress Publications, 2013.