APA (7th ed.) Citation

Colombo, F., Marri, E., & Baruzzo, M. (2006). Italian. Barron's Educational.

Chicago Style (17th ed.) Citation

Colombo, Federica, Emanuela Marri, and Marina Baruzzo. Italian. [Hauppauge, N.Y.]: Barron's Educational, 2006.

MLA (9th ed.) Citation

Colombo, Federica, et al. Italian. Barron's Educational, 2006.