APA (7th ed.) Citation

Ávila, H., Oliveira, B., & Rodrigues, S. (2011). Eating out in Portugal: An analysis of the food service system.

Chicago Style (17th ed.) Citation

Ávila, Helena, Bruno Oliveira, and Sara Rodrigues. Eating Out in Portugal: An Analysis of the Food Service System. 2011.

MLA (8th ed.) Citation

Ávila, Helena, et al. Eating Out in Portugal: An Analysis of the Food Service System. 2011.