APA (7th ed.) Citation

Madureira, J., Mendes, A., Almeida, S., & Teixeira, J. P. (2013). Positive impact of the Portuguese smoking law on respiratory health of restaurant workers.

Chicago Style (17th ed.) Citation

Madureira, Joana, Ana Mendes, Sophia Almeida, and João Paulo Teixeira. Positive Impact of the Portuguese Smoking Law on Respiratory Health of Restaurant Workers. 2013.

MLA (8th ed.) Citation

Madureira, Joana, et al. Positive Impact of the Portuguese Smoking Law on Respiratory Health of Restaurant Workers. 2013.

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