APA (7th ed.) Citation

Ávila, H., & Oliveira, B. (2010). Eating out in Portugal: 1990 and 2000.

Chicago Style (17th ed.) Citation

Ávila, Helena, and Bruno Oliveira. Eating Out in Portugal: 1990 and 2000. 2010.

MLA (8th ed.) Citation

Ávila, Helena, and Bruno Oliveira. Eating Out in Portugal: 1990 and 2000. 2010.

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