APA (7th ed.) Citation

Monteiro, A., & Madureira, H. (2009). Porto: An urban area on the way to happiness.

Chicago Style (17th ed.) Citation

Monteiro, Ana, and Helena Madureira. Porto: An Urban Area on the Way to Happiness. 2009.

MLA (8th ed.) Citation

Monteiro, Ana, and Helena Madureira. Porto: An Urban Area on the Way to Happiness. 2009.

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