APA (7th ed.) Citation

Barilla, G., Barilla, L., Barilla, P., Gonizzi, G., Grazia Villa, M., & Rossi, L. (2009). Italy's great chefs and their hidden secrets. White Star Publishers.

Chicago Style (17th ed.) Citation

Barilla, Guido, Luca Barilla, Paolo Barilla, Giancarlo Gonizzi, Maria Grazia Villa, and Lucio Rossi. Italy's Great Chefs and Their Hidden Secrets. Vercelli, Italy: White Star Publishers, 2009.

MLA (9th ed.) Citation

Barilla, Guido, et al. Italy's Great Chefs and Their Hidden Secrets. White Star Publishers, 2009.

Warning: These citations may not always be 100% accurate.